[TM] Verb Queue - Port of TG SSverb subsystem (#19863)

* Some verbs queue up now

* Damn you 515

* Screw you Topic

* Update client_procs.dm

* Fixes for unit testing

* Update MC.dm

* verb

* Update callback.dm

* Tweaks

* Linters might not have liked that,

* More tweaks, and fix

* Update verb_manager.dm

code/modules/client/client_procs.dm

@@ -173,8 +173,18 @@
 		if("openLink")
 			src << link(href_list["link"])
 
+	//fun fact: Topic() acts like a verb and is executed at the end of the tick like other verbs. So we have to queue it if the server is
+	//overloaded
+	if(hsrc && hsrc != holder && DEFAULT_TRY_QUEUE_VERB(VERB_CALLBACK(src, PROC_REF(_Topic), hsrc, href, href_list)))
+		return
+
 	..()	//redirect to hsrc.Topic()
 
+///dumb workaround because byond doesnt seem to recognize the Topic() typepath for /datum/proc/Topic() from the client Topic,
+///so we cant queue it without this
+/client/proc/_Topic(datum/hsrc, href, list/href_list)
+	return hsrc.Topic(href, href_list)
+
 
 /client/proc/get_display_key()
 	var/fakekey = holder?.fakekey