runfix(core): Fix promote to admin button (#12007)

Author: Thomas Belin

src/page/template/panel/group-participant-user.htm

@@ -21,7 +21,7 @@
           <div class="panel__action-item__text" data-bind="text: t('conversationDetailsGroupAdmin')"></div>
           <div class="slider">
             <input class="slider-input" type="checkbox" name="toggle" id="toggle" data-bind="checked: isAdmin">
-            <label class="button-label" for="toggle" data-bind="click: onToggleAdmin, attr: {'data-uie-value': isAdmin() ? 'checked': 'unchecked'}, css:{'disabled': selectedParticipant().isOnSameFederatedDomain()}" data-uie-name="do-toggle-admin"></label>
+            <label class="button-label" for="toggle" data-bind="click: onToggleAdmin, attr: {'data-uie-value': isAdmin() ? 'checked': 'unchecked'}, css:{'disabled': !selectedParticipant().isOnSameFederatedDomain()}" data-uie-name="do-toggle-admin"></label>
           </div>
         </div>
         <div class="panel__action-item panel__info-text" data-bind="text: t('conversationDetailsGroupAdminInfo')"></div>

src/script/view_model/panel/GroupParticipantUserViewModel.ts

@@ -102,7 +102,7 @@ export class GroupParticipantUserViewModel extends BasePanelViewModel {
   };
 
   onToggleAdmin = async (): Promise<void> => {
-    if (this.selectedParticipant().isOnSameFederatedDomain()) {
+    if (!this.selectedParticipant().isOnSameFederatedDomain()) {
       return;
     }
     const newRole = this.isAdmin() ? DefaultRole.WIRE_MEMBER : DefaultRole.WIRE_ADMIN;