OIDC: Redirect to delegated auth provider when signing out (#11432)

* util for account url

* test cases

* disable multi session selection on device list

* remove sign out all from context menus when oidc-aware

* comment

* remove unused param

* redirect to auth provider when signing out

* open auth provider in new tab, refresh sessions on return

* correct comment

* fix bad copy paste

* try to make sonar happy

* Update for latest revision of MSCs

* Update SessionManagerTab-test.tsx

* Make InteractiveAuthCallback async and await it

---------

Co-authored-by: Hugh Nimmo-Smith <hughns@matrix.org>
Co-authored-by: Hugh Nimmo-Smith <hughns@users.noreply.github.com>
Co-authored-by: Andy Balaam <andy.balaam@matrix.org>

src/components/views/dialogs/DeactivateAccountDialog.tsx

@@ -110,7 +110,7 @@ export default class DeactivateAccountDialog extends React.Component<IProps, ISt
         this.setState({ bodyText, continueText, continueKind });
     };
 
-    private onUIAuthFinished: InteractiveAuthCallback<Awaited<ReturnType<MatrixClient["deactivateAccount"]>>> = (
+    private onUIAuthFinished: InteractiveAuthCallback<Awaited<ReturnType<MatrixClient["deactivateAccount"]>>> = async (
         success,
         result,
     ) => {