(Refactor) Increase phpstan level

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[what-the-diff]

PR Summary

• Improved Input Processing Methods

  • In several controller files (ApplicationController.php, ContactController.php, and User/WishController.php), the method of handling incoming user data has been refined. This translates to a smoother and more accurate use of user inputs.

• Validation Checks Added

  • Extensive validation checks have been incorporated into a number of controller files. These validations make sure that the type of file or input for different entities such as images, cover images, subtitles, torrents, etc., is as expected. These changes can be found in controllers like PlaylistController.php, PostController.php, Staff/ArticleController.php, etc. These checks will help prevent unexpected errors and streamline the course of uploading and updating content.

• Removal of Unused Parameters

  • The removal of unused parameters from methods in Staff/ChatBotController.php, TorrentBuffController.php and TorrentDownloadController.php has made these bits of code cleaner and easier to understand. This reduces potential confusion for developers and enables more efficient coding changes in the future.

• Assignment Removal and Validation Improvements

  • In User/TipController.php and User/TransactionController.php two changes were made: The removal of unnecessary assignment operations and the addition of improved input validations. These changes result in a more optimal use of resources and increased data integrity.

• Change in Return Type

  • In Models/Forum.php, the return type of a method was changed to allow for the omission of a value (made nullable). This accommodates scenarios where a return value might not necessarily exist.

• Mail Input Property Modification

  • In Mail/Contact.php, a property in the constructor method was renamed. This should make the code more self-explanatory and easier to maintain for developers.