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.

tests/Helpers/UserRoleProvider.php

@@ -55,7 +55,7 @@ class UserRoleProvider
      */
     public function guest(): User
     {
-        return User::where('system_name', '=', 'public')->firstOrFail();
+        return User::getDefault();
     }
 
     /**