fix: miscl fixes

[Manason]

• proper ox_lib callbacks
• setting inventory to busy while down
• fixing the allow respawn exports
• fixing some weirdness around the timing of holding e to respawn
• using metadata for handcuff authority instead of policejob export
• handle case where a weapon isn't in the shared/weapons
• introduce config.deathTime and use it
• a few renames and removal of an export that isn't needed