qol: Object tab for ghosts now always exist, annoying interface updat…

…e fix (#4040)

code/modules/mob/dead/observer/observer.dm

@@ -735,3 +735,11 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 
 	var/datum/spawners_menu/menu = new /datum/spawners_menu(src)
 	menu.ui_interact(src)
+
+/**
+ * Placeholder for ghosts in object category. If it does not exist, flying nearby windows\objects will
+ * cause constant interface lags and annoying updates with appearing/disappearing "Object" tab.
+ */
+/mob/dead/observer/verb/object_placeholder()
+	set name = " "
+	set category = "Object"