fix(fediverse): set model instances as non shared to prevent overlapping

app/Entities/Podcast.php

app/Helpers/auth_helper.php

modules/Admin/Controllers/FediverseController.php

modules/Fediverse/Controllers/ActorController.php

modules/Fediverse/Controllers/BlockController.php

modules/Fediverse/Controllers/NodeInfo2Controller.php

modules/Fediverse/Controllers/PostController.php

modules/Fediverse/Controllers/SchedulerController.php

modules/Fediverse/Filters/FediverseFilter.php

modules/Fediverse/Helpers/fediverse_helper.php

modules/Fediverse/Models/BlockedDomainModel.php

modules/Fediverse/Models/FavouriteModel.php

modules/Fediverse/Models/FollowModel.php

modules/Fediverse/WebFinger.php