Update to Godot 4.1, Remove self and by streamer and bug fixes

A smaller update that changes the following:

• Fixed a bug where the mushroom animation would get stuck after triggering
• Fixed a bug where the reset after running the raffle would not take you back to a working input field
• Added a hidden button on participants in the game field that removes them when clicked
• Added the participant-command !rRemoveme to allow users to remove themselves from the raffle after entering