Show genre change using show_model_changes

Author: snejus

beetsplug/lastgenre/__init__.py

@@ -470,6 +470,8 @@ def _fetch_and_log_genre(self, obj: LibModel) -> None:
         obj.genre, label = self._get_genre(obj)
         self._log.info("Resolved ({}): {}", label, obj.genre)
 
+        ui.show_model_changes(obj, fields=["genre"])
+
     @singledispatchmethod
     def _process(self, obj: LibModel, write: bool) -> None:
         """Process an object, dispatching to the appropriate method."""