refactor(settings): inline allowedAppValues

Author: Pringels

apps/settings/lib/Controller/UsersController.php

@@ -267,12 +267,7 @@ public function usersList(INavigationManager $navigationManager, ISubAdmin $subA
 	 */
 	#[AuthorizedAdminSetting(settings:Users::class)]
 	public function setPreference(string $key, string $value): JSONResponse {
-		$allowedAppValues = [
-			'newUser.sendEmail',
-			'group.sortBy',
-		];
-
-		if (in_array($key, $allowedAppValues, true)) {
+		if (in_array($key, ['newUser.sendEmail', 'group.sortBy'], true)) {
 			if ($key === 'newUser.sendEmail') {
 				$this->appConfig->setValueBool('core', $key, $value === 'yes');
 			} else {