Add safety checks for common fixes

[szapp]

Common fixes like the trigger collision fix or the attack run fix should be wrapped in safety checks in case they have been applied outside of GFA. It’s only possible to check if they had been applied prior to GFA initialization, not after.

Common fixes include:

• Attack run fix
• Trigger collision fix
• Dropped projectile fix

[szapp]

The trigger collision fix was interfering with a script provided here. This conflict was resolved. The attack run fix does not interfere with other implementations (script, system pack) and work alongside each other/are safely overwritten. The dropped projectile fix is not implemented else where.