@Override
    public void actionPerformed(@NotNull AnActionEvent e) {
      Project project = e.getData(CommonDataKeys.PROJECT);
      if (project == null) return;
      ChangesBrowserBase changesBrowser = e.getData(DATA_KEY);
      if (changesBrowser == null) return;

      showStandaloneDiff(project, changesBrowser);
    }
@Override
    public void actionPerformed(@NotNull AnActionEvent e)