Uplink UI icons and withdraw button (#4929)

* Uplink menu has icons now

* Add item icons

* Add few descriptions

* Better withdraw window

* Finished with withdraw window

* Refactored withdraw ui and fix some bugs

* Basic withdraw

* Quick fixes

* Removed uplink listing for TCs

* Move slider to separate control

* Final touches

* A bit more

* Not again...

* Fixed names

* Address review

* Fixed robust

* Non necessary check

Content.Shared/Traitor/Uplink/UplinkMessagesUI.cs

@@ -23,4 +23,15 @@ namespace Content.Shared.Traitor.Uplink
 
         }
     }
+
+    [Serializable, NetSerializable]
+    public sealed class UplinkTryWithdrawTC : BoundUserInterfaceMessage
+    {
+        public int TC;
+
+        public UplinkTryWithdrawTC(int tc)
+        {
+            TC = tc;
+        }
+    }
 }