Removed weapons that were duplicated in weapons and npc_weapons from npc_weapons.
Added migration to convert npc_weapons that ended up in anyone's inventory to weapon version.
Consolidated debug boost and possess sticks into one debug_stick, and renamed the admin sword (with name cultist_purp_2h_boss-0) to admin_sword
Eliminated extra stagger state
Responding to more comments
Move poise character state changes to character behavior system
Move poise out of JoinTuple/Data
Finish up comments (various fixes)
