Fix ghost radios and colours (#9064)

Content.Server/Ghost/Components/GhostRadioComponent.cs

@@ -7,15 +7,30 @@ using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototy
 
 namespace Content.Server.Ghost.Components
 {
+    /// <summary>
+    /// Add to a particular entity to let it receive messages from the specified channels.
+    /// </summary>
     [RegisterComponent]
     [ComponentReference(typeof(IRadio))]
     public sealed class GhostRadioComponent : Component, IRadio
     {
+        // TODO: This class is yuck
         [Dependency] private readonly IServerNetManager _netManager = default!;
         [Dependency] private readonly IEntityManager _entMan = default!;
 
         [DataField("channels", customTypeSerializer: typeof(PrototypeIdHashSetSerializer<RadioChannelPrototype>))]
-        private HashSet<string> _channels = new();
+        private HashSet<string> _channels = new()
+        {
+            "Common",
+            "Command",
+            "CentCom",
+            "Engineering",
+            "Medical",
+            "Science",
+            "Security",
+            "Service",
+            "Supply",
+        };
 
         public void Receive(string message, RadioChannelPrototype channel, EntityUid speaker)
         {
@@ -29,7 +44,7 @@ namespace Content.Server.Ghost.Components
                 Channel = ChatChannel.Radio,
                 Message = message,
                 //Square brackets are added here to avoid issues with escaping
-                MessageWrap = Loc.GetString("chat-radio-message-wrap", ("channel", $"\\[{channel.Name}\\]"), ("name", _entMan.GetComponent<MetaDataComponent>(speaker).EntityName))
+                MessageWrap = Loc.GetString("chat-radio-message-wrap", ("color", channel.Color), ("channel", $"\\[{channel.Name}\\]"), ("name", _entMan.GetComponent<MetaDataComponent>(speaker).EntityName))
             };
 
             _netManager.ServerSendMessage(msg, playerChannel);