tgui 4.0 (#52085)

* tgui 4.0 hyper squash

* Upgrade dependencies

code/modules/client/client_procs.dm

@@ -43,6 +43,7 @@ GLOBAL_LIST_INIT(blacklisted_builds, list(
 		if (!asset_cache_job)
 			return
 
+	// Rate limiting
 	var/mtl = CONFIG_GET(number/minute_topic_limit)
 	if (!holder && mtl)
 		var/minute = round(world.time, 600)
@@ -100,6 +101,10 @@ GLOBAL_LIST_INIT(blacklisted_builds, list(
 			keyUp(keycode)
 		return
 
+	// Tgui Topic middleware
+	if(!tgui_Topic(href_list))
+		return
+
 	// Admin PM
 	if(href_list["priv_msg"])
 		cmd_admin_pm(href_list["priv_msg"],null)