Fixes "A Positronic brain has been created in null!" (#11193)

* Fixes Posi Created in null bug

And Dehardcode random PAI

* Fix stupid problem that slipped testing

code/game/machinery/fabricators/modular_fabricator.dm

@@ -495,13 +495,13 @@
 	use_power(power)
 	materials.use_materials(materials_used)
 	if(is_stack)
-		var/obj/item/stack/N = new being_built.build_path(null, multiplier)
-		N.forceMove(A)
+		var/obj/item/stack/N = new being_built.build_path(src.loc, multiplier)
+		N.forceMove(A) //Forcemove to the release turf to trigger ZFall
 		N.update_icon()
 	else
 		for(var/i in 1 to multiplier)
-			var/obj/item/new_item = new being_built.build_path(null)
-			new_item.forceMove(A)
+			var/obj/item/new_item = new being_built.build_path(src.loc)
+			new_item.forceMove(A) //Forcemove to the release turf to trigger ZFall
 			if(length(picked_materials))
 				new_item.set_custom_materials(picked_materials, 1 / multiplier) //Ensure we get the non multiplied amount
 	being_built = null

code/modules/mob/dead/new_player/new_player.dm

@@ -403,7 +403,7 @@
 		"Science" = "#ffddff",
 		"Security" = "#ffdddd"
 	)
-	var/static/list/department_list = list(GLOB.command_positions) + list(GLOB.engineering_positions) + list(GLOB.supply_positions) + list(GLOB.nonhuman_positions - "pAI") + list(GLOB.civilian_positions) + list(GLOB.gimmick_positions) + list(GLOB.medical_positions) + list(GLOB.science_positions) + list(GLOB.security_positions)
+	var/static/list/department_list = list(GLOB.command_positions) + list(GLOB.engineering_positions) + list(GLOB.supply_positions) + list(GLOB.nonhuman_positions - ROLE_PAI) + list(GLOB.civilian_positions) + list(GLOB.gimmick_positions) + list(GLOB.medical_positions) + list(GLOB.science_positions) + list(GLOB.security_positions)
 
 	var/list/dat = list("<div class='notice'>Round Duration: [DisplayTimeText(world.time - SSticker.round_start_time)]</div>")
 	if(SSjob.prioritized_jobs.len > 0)