chore: move comment

Author: AndreaGiulianelli

src/env/artifact/environment/OperatingBlockObserverArtifact.java

@@ -98,8 +98,8 @@ void poll() {
                                             room.getId())));
                 }
                 default -> {
+                    // not handled
                 }
-                // not handled
             }
         });
     }