Webaddin - Outlook - Compose window > All button/menu is not displaying

[aberamdatazoic]

Issue Description:
I have added three buttons/menus in compose window header but I am only able to see 2 buttons/menus. Can you please let me know if we have any alternate for this or if anything needs to be changed to display all three in the compose window header.

Screenshot:

Below are our codes which can reproduce this issue. Menu 2 is not displaying in UI

Manifest File:

<?xml version="1.0" encoding="UTF-8"?>
<OfficeApp xmlns="http://schemas.microsoft.com/office/appforoffice/1.1" 
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
           xmlns:bt="http://schemas.microsoft.com/office/officeappbasictypes/1.0" 
           xmlns:mailappor="http://schemas.microsoft.com/office/mailappversionoverrides" 
           xsi:type="MailApp">

  <Id>d9d81f5a-e002-4475-88bc-cc51e3c97816</Id>
  <Version>1.0.0</Version>
  <ProviderName>DZ</ProviderName>
  <DefaultLocale>en-US</DefaultLocale>
  <DisplayName DefaultValue="DZ" />
  <Description DefaultValue="DZ"/>
  <IconUrl DefaultValue="https://emt.datazoic.com/prismimg/Icon96.png"/>
  <HighResolutionIconUrl DefaultValue="https://emt.datazoic.com/prismimg/Icon96.png" />
 
  <Hosts>
    <Host Name="Mailbox" />
  </Hosts>
  <Requirements>
    <Sets>
      <Set Name="Mailbox" MinVersion="1.3" />
    </Sets>
  </Requirements>
  <FormSettings>
    <Form xsi:type="ItemRead">
      <DesktopSettings>
		  <SourceLocation DefaultValue="https://prismdev.datazoic.com/prismST/webaddin/launchEvnt.html" />
        <RequestedHeight>250</RequestedHeight>
      </DesktopSettings>
    </Form>
  </FormSettings>
  <Permissions>ReadWriteItem</Permissions>
  <Rule xsi:type="RuleCollection" Mode="Or">
    <Rule xsi:type="ItemIs" ItemType="Message" FormType="Read"/>
  </Rule>
  <DisableEntityHighlighting>true</DisableEntityHighlighting>
	
 <VersionOverrides xmlns="http://schemas.microsoft.com/office/mailappversionoverrides" xsi:type="VersionOverridesV1_0">
    <VersionOverrides xmlns="http://schemas.microsoft.com/office/mailappversionoverrides/1.1" xsi:type="VersionOverridesV1_1">
      <Requirements>
        <bt:Sets DefaultMinVersion="1.12">
          <bt:Set Name="Mailbox" />
        </bt:Sets>
      </Requirements>
      <Hosts>
        <Host xsi:type="MailHost">
          <Runtimes>
            <Runtime resid="functionFile" >
               <Override type="javascript" resid="JSRuntime.Url"/>
            </Runtime>
          </Runtimes>
          <DesktopFormFactor>
            <FunctionFile resid="functionFile" />
            <ExtensionPoint xsi:type="LaunchEvent">
				<LaunchEvents>
					<LaunchEvent Type="OnMessageSend" FunctionName="onSendBtnClick" SendMode="PromptUser" />
				</LaunchEvents>
				<SourceLocation resid="functionFile"/>
			</ExtensionPoint>
			
			<ExtensionPoint xsi:type="MessageComposeCommandSurface">
            <OfficeTab id="TabDefault">
              <Group id="translateGroup">
                <Label resid="groupLabel" />
                
                <Control xsi:type="Button" id="msgSS">
                  <Label resid="paneSSButtonLabel" />
                  
                  <Supertip>
                    <Title resid="paneSSSuperTipTitle" />
                    <Description resid="paneSSSuperTipDescription" />
                  </Supertip>
                  <Icon>
                    <bt:Image size="16" resid="ss96" />
                    <bt:Image size="32" resid="ss96" />
                    <bt:Image size="80" resid="ss96" />
                  </Icon>
                  <Action xsi:type="ShowTaskpane">
                    <SourceLocation resid="messageReadTaskPaneSSUrl" />
                    <SupportsPinning>true</SupportsPinning>
                  </Action>
                </Control>
			  </Group>
            </OfficeTab>
			<OfficeTab id="TabDefaultBM">
              <Group id="translateGroupBM">
                <Label resid="groupLabel" />
                
                <Control xsi:type="Button" id="msgBM">
                  <Label resid="paneBMButtonLabel" />
                  
                  <Supertip>
                    <Title resid="paneBMSuperTipTitle" />
                    <Description resid="paneBMSuperTipDescription" />
                  </Supertip>
                  <Icon>
                    <bt:Image size="16" resid="ss96" />
                    <bt:Image size="32" resid="ss96" />
                    <bt:Image size="80" resid="ss96" />
                  </Icon>
                  <Action xsi:type="ShowTaskpane">
                    <SourceLocation resid="messageReadTaskPaneBMUrl" />
                    <SupportsPinning>true</SupportsPinning>
                  </Action>
                </Control>
			  </Group>
            </OfficeTab>
			<OfficeTab id="TabDefaultTmpl">
              <Group id="translateGroupTmpl">
                <Label resid="groupLabel" />
                
                <Control xsi:type="Button" id="msgTmpl">
                  <Label resid="paneTmplButtonLabel" />
                  
                  <Supertip>
                    <Title resid="paneTmplSuperTipTitle" />
                    <Description resid="paneTmplSuperTipDescription" />
                  </Supertip>
                  <Icon>
                    <bt:Image size="16" resid="ss96" />
                    <bt:Image size="32" resid="ss96" />
                    <bt:Image size="80" resid="ss96" />
                  </Icon>
                  <Action xsi:type="ShowTaskpane">
                    <SourceLocation resid="messageReadTaskPaneTmplUrl" />
                    <SupportsPinning>true</SupportsPinning>
                  </Action>
                </Control>
			  </Group>
            </OfficeTab>
          </ExtensionPoint>
          </DesktopFormFactor>
        </Host>
      </Hosts>
      <Resources>
		  <bt:Images>
			<bt:Image id="ss96" DefaultValue="https://emt.datazoic.com/prismimg/smartsent96.png"/>
		  </bt:Images>
          <bt:Urls>
           <bt:Url id="functionFile" DefaultValue="https://prismdev.datazoic.com/prismST/webaddin/launchEvnt.html" />
           <bt:Url id="JSRuntime.Url" DefaultValue="https://prismdev.datazoic.com/prismST/webaddin/launchEvnt.js" />
		   <bt:Url id="messageReadTaskPaneSSUrl" DefaultValue="https://prismdev.datazoic.com/prismST/webaddin/launchEvnt.html"/>
		   <bt:Url id="messageReadTaskPaneBMUrl" DefaultValue="https://prismdev.datazoic.com/prismST/webaddin/launchEvnt.html"/>
		   <bt:Url id="messageReadTaskPaneTmplUrl" DefaultValue="https://prismdev.datazoic.com/prismST/webaddin/launchEvnt.html"/>
          </bt:Urls>
		  <bt:ShortStrings>
			<bt:String id="groupLabel" DefaultValue="DZ"/>
			<bt:String id="customTabLabel"  DefaultValue="DZ Tab"/>
			<bt:String id="paneSSButtonLabel" DefaultValue="Menu1"/>
			<bt:String id="paneSSSuperTipTitle" DefaultValue="Menu1"/>
			<bt:String id="paneBMButtonLabel" DefaultValue="Menu2"/>
			<bt:String id="paneBMSuperTipTitle" DefaultValue="Menu2"/>
			<bt:String id="paneTmplButtonLabel" DefaultValue="Menu3"/>
			<bt:String id="paneTmplSuperTipTitle" DefaultValue="Menu3"/>
		  </bt:ShortStrings>
		  <bt:LongStrings>
			<bt:String id="paneSSSuperTipDescription" DefaultValue="Menu1 Desc."/>
			<bt:String id="paneBMSuperTipDescription" DefaultValue="Menu2 Desc."/>
			<bt:String id="paneTmplSuperTipDescription" DefaultValue="Menu3 Desc."/>
		  </bt:LongStrings>
      </Resources>
    </VersionOverrides>  
  </VersionOverrides>
</OfficeApp>

Launch Event HTML Code:

<!DOCTYPE html>
<html class="newhtml">
	<head>
		<title>DZ</title>
		<meta name="robots" content="noindex">
		<meta charset="utf-8"/>
		<meta http-equiv='X-UA-Compatible' content="IE=edge" />
		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
		<meta http-equiv="cache-control" content="max-age=0" />
		<meta http-equiv="cache-control" content="no-cache, must-revalidate, post-check=0, pre-check=0" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<meta http-equiv="Pragma" content="no-cache" />
		<meta http-equiv="Expires" content="-1" />
	</head>
	
	<body class="" data-scroll-top="false">
		<div>DZ Panel</div>
		<script src="https://appsforoffice.microsoft.com/lib/1/hosted/office.js" type="text/javascript"></script> 
		<script type="text/javascript" src="launchEvnt.js"></script>
	</body>
</html>

Launch Event JS Code:

Office.initialize = function(reason){
	Office.onReady(function(info){
		console.log('Office is ready to use');
	});
}

try{
	//
}catch(e){
	console.log(e);
}

Environment:
Platform: Classic Outlook
Office version number: Microsoft® Outlook® for Microsoft 365 MSO (Version 2411 Build 16.0.18227.20082) 64-bit
Operating System: Windows 10 Pro