Refactor /obj/screen to /atom/movable/screen (#19852)

Part of backend stuff required for #19188. Should probably be test
merged.

---------

Co-authored-by: Cody Brittain <cbrittain10@live.com>

code/modules/psionics/complexus/complexus.dm

@@ -23,7 +23,7 @@
 	var/aura_color = "#ff0022"
 
 	var/datum/component/armor/psionic/armor_component
-	var/obj/screen/psi/hub/ui	      // Reference to the master psi UI object.
+	var/atom/movable/screen/psi/hub/ui	      // Reference to the master psi UI object.
 	var/mob/living/owner              // Reference to our owner.
 	var/image/_aura_image             // Client image
 

code/modules/psionics/complexus/complexus_process.dm

@@ -63,7 +63,7 @@
 					P.apply(owner)
 
 /datum/psi_complexus/proc/wipe_user_abilities()
-	for(var/obj/screen/ability/obj_based/psionic/P in owner.ability_master.ability_objects)
+	for(var/atom/movable/screen/ability/obj_based/psionic/P in owner.ability_master.ability_objects)
 		if((P.connected_power.ability_flags & PSI_FLAG_APEX) && get_rank() < PSI_RANK_APEX)
 			owner.ability_master.remove_ability(P)
 		if((P.connected_power.ability_flags & PSI_FLAG_LIMITLESS) && get_rank() < PSI_RANK_LIMITLESS)

code/modules/psionics/interface/ui.dm

@@ -1,14 +1,14 @@
-/obj/screen/psi
+/atom/movable/screen/psi
 	icon = 'icons/mob/screen/psi.dmi'
 	var/mob/living/owner
 	var/hidden = TRUE
 
-/obj/screen/psi/New(var/mob/living/_owner)
+/atom/movable/screen/psi/New(var/mob/living/_owner)
 	loc = null
 	owner = _owner
 	update_icon()
 
-/obj/screen/psi/Destroy()
+/atom/movable/screen/psi/Destroy()
 	if(owner && owner.client)
 		owner.client.screen -= src
 	. = ..()

code/modules/psionics/interface/ui_hub.dm

@@ -1,4 +1,4 @@
-/obj/screen/psi/hub
+/atom/movable/screen/psi/hub
 	name = "Psi"
 	icon_state = "psi_active"
 	screen_loc = "EAST-1:28,CENTER-3:11"
@@ -7,23 +7,23 @@
 	maptext_y = -8
 	var/image/on_cooldown
 
-/obj/screen/psi/hub/New(var/mob/living/_owner)
+/atom/movable/screen/psi/hub/New(var/mob/living/_owner)
 	on_cooldown = image(icon, "cooldown")
 	..()
 	START_PROCESSING(SSprocessing, src)
 
-/obj/screen/psi/hub/update_icon()
+/atom/movable/screen/psi/hub/update_icon()
 	if(!owner.psi)
 		return
 
 	icon_state = owner.psi.suppressed ? "psi_suppressed" : "psi_active"
 
-/obj/screen/psi/hub/Destroy()
+/atom/movable/screen/psi/hub/Destroy()
 	STOP_PROCESSING(SSprocessing, src)
 	owner = null
 	. = ..()
 
-/obj/screen/psi/hub/process()
+/atom/movable/screen/psi/hub/process()
 	if(!istype(owner))
 		qdel(src)
 		return
@@ -32,23 +32,23 @@
 	maptext = SMALL_FONTS(7, "[round((owner.psi.stamina/owner.psi.max_stamina)*100)]%")
 	update_icon()
 
-/obj/screen/psi/hub/Click(var/location, var/control, var/params)
+/atom/movable/screen/psi/hub/Click(var/location, var/control, var/params)
 	ui_interact(owner)
 	update_icon()
 
-/obj/screen/psi/hub/ui_interact(mob/user, datum/tgui/ui)
+/atom/movable/screen/psi/hub/ui_interact(mob/user, datum/tgui/ui)
 	ui = SStgui.try_update_ui(user, src, ui)
 	if (!ui)
 		ui = new(user, src, "PsionicShop", "Psionic Point Shop", 400, 500)
 		ui.open()
 
-/obj/screen/psi/hub/ui_state(mob/user)
+/atom/movable/screen/psi/hub/ui_state(mob/user)
 	return GLOB.conscious_state
 
-/obj/screen/psi/hub/ui_status(mob/user, datum/ui_state/state)
+/atom/movable/screen/psi/hub/ui_status(mob/user, datum/ui_state/state)
 	return UI_INTERACTIVE
 
-/obj/screen/psi/hub/ui_data(mob/user)
+/atom/movable/screen/psi/hub/ui_data(mob/user)
 	var/list/data = list()
 	var/owner_rank = owner.psi.get_rank()
 	data["available_psionics"] = list()
@@ -83,7 +83,7 @@
 		)
 	return data
 
-/obj/screen/psi/hub/ui_act(action, list/params, datum/tgui/ui, datum/ui_state/state)
+/atom/movable/screen/psi/hub/ui_act(action, list/params, datum/tgui/ui, datum/ui_state/state)
 	. = ..()
 	if(.)
 		return TRUE