Clean up runtime errors, fix VueUIs opening offscreen (#14025)

* Clean up runtime errors, fix VueUIs opening offscreen

* woops

* myazaki is based

code/modules/mob/abstract/new_player/preferences_setup.dm

@@ -225,6 +225,9 @@
 
 /datum/preferences/proc/return_chosen_high_job(var/title = FALSE)
 	var/datum/job/chosenJob
+	if(SSjobs.init_state < SS_INITSTATE_DONE)
+		return
+
 	if(job_civilian_low & ASSISTANT)
 		// Assistant is weird, has to be checked first because it overrides
 		chosenJob = SSjobs.bitflag_to_job["[SERVICE]"]["[job_civilian_low]"]

code/modules/mob/living/carbon/human/human_helpers.dm

@@ -147,6 +147,10 @@
 		var/list/body_markings = prefs.body_markings
 		for(var/M in body_markings)
 			var/datum/sprite_accessory/marking/mark_datum = body_marking_styles_list[M]
+
+			if(!istype(mark_datum))
+				to_chat(usr, SPAN_WARNING("Invalid body marking [M] selected! Please re-save your markings, as they may have changed."))
+				continue
 			var/mark_color = "[body_markings[M]]"
 
 			for(var/BP in mark_datum.body_parts)