refactor: Refactor codebase to improve logging, error handling, and session management

[iPromKnight]

• Added detailed logging for various scenarios in realdebrid.py to improve debugging.
• Enhanced error handling in _download_item method in realdebrid.py.
• Introduced session refresh for blacklisted streams in realdebrid.py and item.py.
• Added requested_id attribute to MediaItem class in item.py.
• Updated copy_attributes method in trakt.py to include new attributes.
• Refactored delete_item_symlinks method in symlink.py for better readability.
• Improved session management in db_functions.py by adding store_state calls.
• Enhanced Overseerr class in overseerr.py to include requested_id and improved logging.
• Minor code cleanups and added type hints for better code quality.

feat: Removal of Symlinks and Overseerr requests on removal of item from riven.