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/Activity/WatchTest.php

@@ -102,6 +102,7 @@ class WatchTest extends TestCase
         ]);
 
         $this->assertPermissionError($resp);
+        $guest->unsetRelations();
     }
 
     public function test_watch_detail_display_reflects_state()

tests/Helpers/UserRoleProvider.php

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

tests/TestCase.php

@@ -5,6 +5,7 @@ namespace Tests;
 use BookStack\Entities\Models\Entity;
 use BookStack\Settings\SettingService;
 use BookStack\Uploads\HttpFetcher;
+use BookStack\Users\Models\User;
 use GuzzleHttp\Client;
 use GuzzleHttp\Handler\MockHandler;
 use GuzzleHttp\HandlerStack;
@@ -46,6 +47,7 @@ abstract class TestCase extends BaseTestCase
         $this->permissions = new PermissionsProvider($this->users);
         $this->files = new FileProvider();
 
+        User::clearDefault();
         parent::setUp();
 
         // We can uncomment the below to run tests with failings upon deprecations.