reduces a massive amount of endround lag (#23306)

* reduces a massive amount of endround lag

* more improvements

code/game/gamemodes/wizard/wizard.dm

@@ -191,8 +191,8 @@
 	return 1
 
 /datum/game_mode/proc/auto_declare_completion_wizard()
-	if(wizards.len)
-		var/text = "<br><font size=3><b>the wizards/witches were:</b></font>"
+	if(length(wizards))
+		var/list/text = list("<br><font size=3><b>the wizards/witches were:</b></font>")
 
 		for(var/datum/mind/wizard in wizards)
 
@@ -236,8 +236,7 @@
 					i++
 			text += "<br>"
 
-		to_chat(world, text)
-	return 1
+		return text.Join("")
 
 //OTHER PROCS