Fixes in-chat icons being broken in oldchat

code/modules/pda/app.dm

@@ -34,7 +34,7 @@
 			L = get(pda, /mob/living/silicon)
 
 		if(L)
-			to_chat(L, "[bicon(pda)] [message]")
+			to_chat(L, "\icon[pda][bicon(pda)] [message]")
 			SStgui.update_user_uis(L, pda) // Update the receiving user's PDA UI so that they can see the new message
 
 	if(!notify_silent)

code/modules/pda/messenger.dm

@@ -117,7 +117,7 @@
 			create_message(usr, P)
 			if(href_list["target"] in conversations)            // Need to make sure the message went through, if not welp.
 				active_conversation = href_list["target"]
-	
+
 
 /datum/data/pda/app/messenger/proc/create_message(var/mob/living/U, var/obj/item/device/pda/P)
 	var/t = tgui_input_text(U, "Please enter message", name, null)
@@ -178,7 +178,7 @@
 
 		SStgui.update_user_uis(U, P) // Update the sending user's PDA UI so that they can see the new message
 		log_pda("(PDA: [src.name]) sent \"[t]\" to [P.name]", usr)
-		to_chat(U, "[bicon(pda)] <b>Sent message to [P.owner] ([P.ownjob]), </b>\"[t]\"")
+		to_chat(U, "\icon[pda][bicon(pda)] <b>Sent message to [P.owner] ([P.ownjob]), </b>\"[t]\"")
 	else
 		to_chat(U, "<span class='notice'>ERROR: Messaging server is not responding.</span>")
 
@@ -224,7 +224,7 @@
 /datum/data/pda/app/messenger/multicast
 /datum/data/pda/app/messenger/multicast/receive_message(list/data, ref)
 	. = ..()
-	
+
 	var/obj/item/device/pda/multicaster/M = pda
 	if(!istype(M))
 		return

code/modules/pda/pda.dm

@@ -99,7 +99,7 @@ var/global/list/obj/item/device/pda/PDAs = list()
 		S = 'sound/machines/twobeep.ogg'
 	playsound(loc, S, 50, 1)
 	for(var/mob/O in hearers(3, loc))
-		O.show_message(text("[bicon(src)] *[ttone]*"))
+		O.show_message(text("\icon[src][bicon(src)] *[ttone]*"))
 
 /obj/item/device/pda/proc/set_ringtone()
 	var/t = tgui_input_text(usr, "Please enter new ringtone", name, ttone)