added render call to isolate

BauSystem_Main/src/de/steamwar/bausystem/features/tracer/TraceCommand.java

@@ -104,6 +104,11 @@ public class TraceCommand extends SWCommand {
 
         for(TNTRecord record: records)
             isolationFlag.toggleId(record.getTntId());
+
+        ViewFlag[] flags = new ViewFlag [1];
+        flags[0] = isolationFlag;
+
+        trace.render(player, viewFlags, BundleFilter.STRICT);
     }
 
     @ClassMapper(value = Trace.class, local = true)