Bumps auxlua to 1.2.1 (+ several other ui fixes and qol tweaks) (#69271)

* preparations for self-referential list conversion

* additional changes for the auxlua 1.1.1 update

* fixed a type in `SS13.await`

* bumps auxlua to 1.2.0

* bumps auxlua to 1.2.1

code/modules/admin/verbs/SDQL2/SDQL_2_wrappers.dm

@@ -263,14 +263,6 @@
 /proc/_turn(dir, angle)
 	return turn(dir, angle)
 
-/// For some reason, an atom's contents are a kind of list that auxtools can't work with as a list
-/// This proc returns a copy of contents that is an ordinary list
-/proc/_contents(atom/thing)
-	var/list/ret = list()
-	if(istype(thing))
-		ret += thing.contents
-	return ret
-
 /// Auxtools REALLY doesn't know how to handle filters as values;
 /// when passed as arguments to auxtools-called procs, they aren't simply treated as nulls -
 /// they don't even count towards the length of args.