fix tertiary languages not working, fix alt-click spawned mobs not having correct tertiary language (#33765)

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

@@ -687,6 +687,7 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 				sHuman.real_name = real_name
 				concrete_outfit.equip(sHuman, TRUE)
 				client?.prefs.copy_to(sHuman)
+				sHuman.add_language(client?.prefs.language)
 				sHuman.dna.UpdateSE()
 				sHuman.dna.UpdateUI()
 				sHuman.ckey = ckey

code/modules/mob/new_player/new_player.dm

@@ -670,7 +670,6 @@
 	if(prefs.language)
 		chosen_language = all_languages["[prefs.language]"]
 	if(chosen_language)
-		if(chosen_language.flags & WHITELISTED)
 		new_character.add_language("[prefs.language]")
 	if(ticker.random_players || appearance_isbanned(src)) //disabling ident bans for now
 		new_character.setGender(pick(MALE, FEMALE))