[stable28] fix(settings): Fix required groups validation for subadmins

apps/settings/src/components/Users/NewUserModal.vue

@@ -75,13 +75,6 @@
 				spellcheck="false"
 				:required="newUser.password === '' || settings.newUserRequireEmail" />
 			<div class="modal__item">
-				<!-- hidden input trick for vanilla html5 form validation -->
-				<NcTextField v-if="!settings.isAdmin"
-					id="new-user-groups-input"
-					tabindex="-1"
-					:class="{ 'icon-loading-small': loading.groups }"
-					:value="newUser.groups"
-					:required="!settings.isAdmin" />
 				<label class="modal__label"
 					for="new-user-groups">
 					{{ !settings.isAdmin ? t('settings', 'Groups (required)') : t('settings', 'Groups') }}
@@ -96,13 +89,14 @@
 					:close-on-select="false"
 					:multiple="true"
 					:taggable="true"
+					:required="!settings.isAdmin"
 					@input="handleGroupInput"
 					@option:created="createGroup" />
 					<!-- If user is not admin, he is a subadmin.
 						Subadmins can't create users outside their groups
 						Therefore, empty select is forbidden -->
 			</div>
-			<div v-if="subAdminsGroups.length > 0 && settings.isAdmin"
+			<div v-if="subAdminsGroups.length > 0"
 				class="modal__item">
 				<label class="modal__label"
 					for="new-user-sub-admin">
@@ -396,18 +390,6 @@ export default {
 		align-items: center;
 		padding: 20px;
 		gap: 4px 0;
-
-		/* fake input for groups validation */
-		#new-user-groups-input {
-			position: absolute;
-			opacity: 0;
-			/* The "hidden" input is behind the NcSelect, so in general it does
-			* not receives clicks. However, with Firefox, after the validation
-			* fails, it will receive the first click done on it, so its width needs
-			* to be set to 0 to prevent that ("pointer-events: none" does not
-			* prevent it). */
-			width: 0;
-		}
 	}
 
 	&__item {