Fix radio messages not being sent and messages not being escaped.

Content.Client/Chat/ChatManager.cs

@@ -355,7 +355,7 @@ namespace Content.Client.Chat
             }
 
             var color = Color.DarkGray;
-            var messageText = message.Message;
+            var messageText = FormattedMessage.EscapeText(message.Message);
             if (!string.IsNullOrEmpty(message.MessageWrap))
             {
                 messageText = string.Format(message.MessageWrap, messageText);

Content.Server/GameObjects/Components/Headset/HeadsetComponent.cs

@@ -67,7 +67,7 @@ namespace Content.Server.GameObjects.Components.Headset
                 msg.Channel = ChatChannel.Radio;
                 msg.Message = message;
                 //Square brackets are added here to avoid issues with escaping
-                msg.MessageWrap = Loc.GetString("chat-radio-message-wrap", ("channel", $"[{channel}]"), ("name", source.Name));
+                msg.MessageWrap = Loc.GetString("chat-radio-message-wrap", ("channel", $"\\[{channel}\\]"), ("name", source.Name));
                 _netManager.ServerSendMessage(msg, playerChannel);
             }
         }

Resources/Changelog/Parts/radio.yml

@@ -0,0 +1,4 @@
+author: Zumorica
+changes:
+  - type: Fix
+    message: Fixes radio messages not sending.