Colors the chatselector in the chatcolor (#3960)

Co-authored-by: Paul <ritter.paul1+git@googlemail.com>

Content.Client/Utility/ChatHelper.cs

@@ -0,0 +1,19 @@
+using Content.Shared.Chat;
+using Robust.Shared.Maths;
+
+namespace Content.Client.Utility
+{
+    public class ChatHelper
+    {
+        public static Color ChatColor(ChatChannel channel) =>
+            channel switch
+            {
+                ChatChannel.Server => Color.Orange,
+                ChatChannel.Radio => Color.Green,
+                ChatChannel.OOC => Color.LightSkyBlue,
+                ChatChannel.Dead => Color.MediumPurple,
+                ChatChannel.AdminChat => Color.Red,
+                _ => Color.DarkGray
+            };
+    }
+}