Removes "/" from ends of map names in voting options (#29235)

* Attempt at fixing map names

* Proper attempt

* Fixing redundant string trim

Co-authored-by: kanef <kanef9x@protonmail.com>

code/__HELPERS/files.dm

@@ -64,7 +64,7 @@
 		if(skipping < 3)
 			var/fullpath = path+binary
 			if(copytext(fullpath,-4,0) == ".dmb")
-				all_maps[potential] = path + binary
+				all_maps[copytext(potential,1,length(potential))] = path + binary // Makes key not have / at end, looks better in lists
 			else
 				binary = null
 				continue
@@ -103,7 +103,7 @@
 		if(!binary)
 			warning("Map folder [path] does not contain a valid byond binary, skipping.")
 		else
-			maps[potential] = path + binary
+			maps[copytext(potential,1,length(potential))] = path + binary // Makes key not have / at end, looks better in lists
 			binary = null
 		recursion_limit--
 	var/list/maplist = get_list_of_keys(maps)

code/game/gamemodes/gameticker.dm

@@ -471,7 +471,7 @@ var/datum/controller/gameticker/ticker
 					choices.Add(key)
 				var/mapname=pick(choices)
 				vote.chosen_map = maps[mapname] // Hack, but at this point I could not give a shit.
-				watchdog.chosen_map = copytext(mapname,1,(length(mapname)))
+				watchdog.chosen_map = mapname
 				log_game("Server chose [watchdog.chosen_map]!")