message: Allow find text to be preserved when closed and reopened
diff: @@ -3685,9 +3685,8 @@ void EventBrowser::on_HideFind()
  ui->find->setChecked(false);
  - ui->findEvent->setText(QString());
  m_Model->SetFindText(QString());
  - updateFindResultsAvailable(false);
  + ui->findEvent->setPalette(palette());
  }
  void EventBrowser::findHighlight_timeout()
  @@ -4652,11 +4651,14 @@ void EventBrowser::on_filterExpression_keyPress(QKeyEvent *e)
  filter_apply();
  }
  -
  - if(e->key() == Qt::Key_Down)
  + else if(e->key() == Qt::Key_Down)
  {
  ShowSavedFilterCompleter(ui->filterExpression);
  }
  + else
  + {
  + events_keyPress(e);
  + }
  }
  void EventBrowser::filter_forceCompletion_keyPress(QKeyEvent *e)
  