Improve on disposal routing code (#1795)

Co-authored-by: Julian Giebel <j.giebel@netrocks.info>

Content.Server/GameObjects/Components/Disposal/DisposalRouterComponent.cs

@@ -78,16 +78,16 @@ namespace Content.Server.GameObjects.Components.Disposal
             if (!PlayerCanUseDisposalTagger(obj.Session.AttachedEntity))
                 return;
 
-            if (msg.Action == UiAction.Ok)
+            //Check for correct message and ignore maleformed strings
+            if (msg.Action == UiAction.Ok && TagRegex.IsMatch(msg.Tags))
             {
                 _tags.Clear();
                 foreach (var tag in msg.Tags.Split(',', StringSplitOptions.RemoveEmptyEntries))
                 {
                     _tags.Add(tag.Trim());
+                    ClickSound();
                 }
             }
-
-            ClickSound();
         }
 
         /// <summary>