tweak: Orbit tgui now does not load all NPCs by default

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

@@ -1,5 +1,6 @@
 /datum/orbit_menu
 	var/mob/dead/observer/owner
+	var/should_show_NPC = FALSE
 
 /datum/orbit_menu/New(mob/dead/observer/new_owner)
 	if(!istype(new_owner))
@@ -13,6 +14,7 @@
 	ui = SStgui.try_update_ui(user, src, ui)
 	if(!ui)
 		ui = new(user, src, "Orbit", "Orbit")
+		should_show_NPC = initial(should_show_NPC)
 		ui.open()
 
 /datum/orbit_menu/ui_act(action, list/params, datum/tgui/ui)
@@ -33,9 +35,14 @@
 		if("refresh")
 			update_static_data(owner, ui)
 			. = TRUE
+		if("toggle_show_npcs")
+			should_show_NPC = !should_show_NPC
+			update_static_data(owner, ui)
+			. = TRUE
 
 /datum/orbit_menu/ui_data(mob/user)
 	var/list/data = list()
+	data["should_show_NPC"] = should_show_NPC
 	return data
 
 /datum/orbit_menu/ui_static_data(mob/user)
@@ -80,7 +87,8 @@
 			if(isobserver(M))
 				ghosts += list(serialized)
 			else if(M.mind == null)
-				npcs += list(serialized)
+				if(should_show_NPC)
+					npcs += list(serialized)
 			else if(M.stat == DEAD)
 				dead += list(serialized)
 			else

tgui/packages/tgui/interfaces/Orbit.js

@@ -86,6 +86,7 @@ export const Orbit = (props, context) => {
     antagonists,
     highlights,
     auto_observe,
+    should_show_NPC,
     dead,
     ghosts,
     misc,
@@ -203,7 +204,21 @@ export const Orbit = (props, context) => {
 
         <BasicSection title="Dead" source={dead} searchText={searchText} />
 
-        <BasicSection title="NPCs" source={npcs} searchText={searchText} />
+        {should_show_NPC ? (
+          <BasicSection title="NPCs" source={npcs} searchText={searchText} />
+        ) : (
+          <Section
+            title="NPCs"
+            buttons={
+              !should_show_NPC && (
+                <Button
+                  content="Load NPCs"
+                  onClick={() => act('toggle_show_npcs')}
+                />
+              )
+            }
+          />
+        )}
 
         <BasicSection title="Misc" source={misc} searchText={searchText} />
       </Window.Content>