Allows us to drop NODROP items if there is other way to get rid of them (#21080)

* adds proc to check if we can drop nodrop items

* C:/Program Files/Git/obj/effect/proc_holder/spell/touch refactor, support for wizard spells, xeno spells and changeling shield

* bug fixes, cleanup

* moved to signals, added support for mime fingergun

* fixed bugs

* cleanup

* same proc for removing weapon from active or any hand

* changeling fast swap exist again

* cleanup

* fix runtime

* signals cleanup

* review update

* Update code/datums/spells/mime.dm

Co-authored-by: Ryan <80364400+Sirryan2002@users.noreply.github.com>

* Update code/datums/spells/mime.dm

Co-authored-by: Ryan <80364400+Sirryan2002@users.noreply.github.com>

* Update code/datums/spells/touch_attacks.dm

Co-authored-by: Ryan <80364400+Sirryan2002@users.noreply.github.com>

* review updates

* fixing bug

---------

Co-authored-by: Ryan <80364400+Sirryan2002@users.noreply.github.com>

code/modules/projectiles/guns/projectile/revolver.dm

@@ -108,13 +108,22 @@
 	trigger_guard = TRIGGER_GUARD_ALLOW_ALL
 	clumsy_check = FALSE //Stole your uplink! Honk!
 	needs_permit = FALSE //go away beepsky
+	var/obj/effect/proc_holder/spell/mime/fingergun/parent_spell
+
+/obj/item/gun/projectile/revolver/fingergun/Destroy()
+	if(parent_spell)
+		parent_spell.current_gun = null
+		parent_spell.UnregisterSignal(parent_spell.action.owner, COMSIG_MOB_WILLINGLY_DROP)
+		parent_spell = null
+	return ..()
 
 /obj/item/gun/projectile/revolver/fingergun/fake
 	desc = "Pew pew pew!"
 	mag_type = /obj/item/ammo_box/magazine/internal/cylinder/rev38/invisible/fake
 
-/obj/item/gun/projectile/revolver/fingergun/Initialize(mapload)
+/obj/item/gun/projectile/revolver/fingergun/Initialize(mapload, new_parent_spell)
 	. = ..()
+	parent_spell = new_parent_spell
 	verbs -= /obj/item/gun/projectile/revolver/verb/spin
 
 /obj/item/gun/projectile/revolver/fingergun/shoot_with_empty_chamber(/*mob/living/user as mob|obj*/)