[MIRROR] Replace the alt click menu with the RPG Lootpanel (#11170)

Co-authored-by: ShadowLarkens <shadowlarkens@gmail.com>

code/modules/client/client defines.dm

@@ -184,3 +184,6 @@
 
 	/// The DPI scale of the client. 1 is equivalent to 100% window scaling, 2 will be 200% window scaling
 	var/window_scaling
+
+	/// Loot panel for the client
+	var/datum/lootpanel/loot_panel

code/modules/client/client procs.dm

@@ -305,6 +305,8 @@
 	tgui_say.initialize()
 	tgui_shocker.initialize()
 
+	loot_panel = new(src)
+
 	connection_time = world.time
 	connection_realtime = world.realtime
 	connection_timeofday = world.timeofday
@@ -392,6 +394,7 @@
 	GLOB.directory -= ckey
 	GLOB.clients -= src
 
+	QDEL_NULL(loot_panel)
 	..()
 	return QDEL_HINT_HARDDEL_NOW
 

code/modules/client/preference_setup/general/13_nif.dm

@@ -53,7 +53,7 @@
 
 /datum/category_item/player_setup_item/general/nif/copy_to_mob(var/mob/living/carbon/human/character)
 	//If you had a NIF...
-	if(istype(character) && ispath(pref.nif_path) && pref.nif_durability)
+	if(istype(character) && ispath(pref.nif_path) && pref.nif_durability && !ismannequin(character))
 		new pref.nif_path(character, pref.nif_durability, pref.nif_savedata)
 
 /datum/category_item/player_setup_item/general/nif/tgui_data(mob/user, datum/tgui/ui, datum/tgui_state/state)