Fix group delete

src/pages/dictionary.rs

@@ -230,7 +230,8 @@ impl NavigatedPage<DictionaryMessage> for DictionaryState {
                     }
                     self.groups_query.load(&groups);
                 }
-
+                self.selected_cell = None;
+                self.word_editor = None;
                 self.update_tags()
             }
             ChangeDirection => {