Fixes Request Console Announcements (#75496)

## About The Pull Request

Fixes #75495 and Fixes #75492 (?)

`treat_message` had its arguments changed in #74775 which skewed with
#75067

## Why It's Good For The Game

Bugfix

## Changelog

:cl: Melbert
fix: Request Console Announcements breaking and reporting "/list"
/:cl:

code/game/machinery/requests_console.dm

@@ -197,7 +197,8 @@ GLOBAL_LIST_EMPTY(req_console_ckey_departments)
 				return
 			if(isliving(usr))
 				var/mob/living/L = usr
-				message = L.treat_message(message)
+				message = L.treat_message(message)["message"]
+
 			minor_announce(message, "[department] Announcement:", html_encode = FALSE)
 			GLOB.news_network.submit_article(message, department, "Station Announcements", null)
 			usr.log_talk(message, LOG_SAY, tag="station announcement from [src]")

code/modules/mob/living/living_say.dm

@@ -438,8 +438,13 @@ GLOBAL_LIST_INIT(message_modes_stat_limits, list(
  *
  * message - The message to treat.
  * capitalize_message - Whether we run capitalize() on the message after we're done.
+ *
+ * Returns a list, which is a packet of information corresponding to the message that has been treated, which
+ * contains the new message, as well as text-to-speech information.
  */
 /mob/living/proc/treat_message(message, tts_message, tts_filter, capitalize_message = TRUE)
+	RETURN_TYPE(/list)
+
 	if(HAS_TRAIT(src, TRAIT_UNINTELLIGIBLE_SPEECH))
 		message = unintelligize(message)
 
@@ -457,7 +462,7 @@ GLOBAL_LIST_INIT(message_modes_stat_limits, list(
 		message = capitalize(message)
 		tts_message = capitalize(tts_message)
 
-	return list(message = message, tts_message = tts_message, tts_filter = tts_filter)
+	return list("message" = message, "tts_message" = tts_message, "tts_filter" = tts_filter)
 
 /mob/living/proc/radio(message, list/message_mods = list(), list/spans, language)
 	var/obj/item/implant/radio/imp = locate() in src