Remain Accessibility Compliant

[ddyett]

• List items like 'Getting started(8)' present under 'Sample queries' tab item on the left side of the navigation pane are not getting activated using keyboard. #1145
• Keyboard Focus lost is observed when user activate the run query button. #1146
• Message bar is getting cropped/overlapped at 200% zoom. #1147
• Narrator does not announce the selected changing state for the tab items (Request Body etc.) #1148
• Screen Reader doesn't announce position for group Headers which is present inside 'Sample queries' tab item. #1149
• Ensures elements with an ARIA role that require child roles contain them on 'get collapse' button. #1150
• Narrator is announcing as read only after each cell content of the "data grid". #1151
• Narrator does not convey the search query results information after user has searched anything. #1102

AB#10823

[RabebOthmani]

@ElinorW @adhiambovivian since we will always have accessibility tickets to look at, should we close this epic?

[adhiambovivian]

yap @RabebOthmani