Modular Cmp Updates

code/modules/modular_computers/file_system/programs/ntnrc_client.dm

@@ -9,6 +9,7 @@
 	ui_header = "ntnrc_idle.gif"
 	available_on_ntnet = 1
 	tgui_id = "NtosNetChat"
+	program_icon = "comment-alt"
 	var/last_message				// Used to generate the toolbar icon
 	var/username
 	var/active_channel
@@ -20,7 +21,8 @@
 	username = "DefaultUser[rand(100, 999)]"
 
 /datum/computer_file/program/chatclient/ui_act(action, params)
-	if(..())
+	. = ..()
+	if(.)
 		return
 
 	var/datum/ntnet_conversation/channel = SSnetworks.station_network.get_chat_channel_by_id(active_channel)
@@ -182,7 +184,7 @@
 	var/list/all_channels = list()
 	for(var/C in SSnetworks.station_network.chat_channels)
 		var/datum/ntnet_conversation/conv = C
-		if(conv && conv.title)
+		if(conv?.title)
 			all_channels.Add(list(list(
 				"chan" = conv.title,
 				"id" = conv.id