Notifications: Fixed issues causing failing tests

- Ensured watch options passed in all meta template usage to fix failing
  scenarios where watch options did not exist.
- Fixed testing issue caused by guest user permission caching.

app/Users/Models/User.php

@@ -88,8 +88,6 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
 
     /**
      * This holds the default user when loaded.
-     *
-     * @var null|User
      */
     protected static ?User $defaultUser = null;
 
@@ -107,6 +105,11 @@ class User extends Model implements AuthenticatableContract, CanResetPasswordCon
         return static::$defaultUser;
     }
 
+    public static function clearDefault(): void
+    {
+        static::$defaultUser = null;
+    }
+
     /**
      * Check if the user is the default public user.
      */