message: Remove unnecessary DiggerWindow check in MapViewState::onMouseDown()
  DiggerWindow is handled in the WindowStack so an explicit check for it is only doing the same work the WindowStack does.
diff: @@ -458,7 +458,7 @@ void MapViewState::onMouseDown(EventHandler::MouseButton button, int /*x*/, int
  if (modalUiElementDisplayed()) { return; }
  - if (mDiggerDirection.visible() && mDiggerDirection.rect().contains(MOUSE_COORDS)) { return; }
  + //if (mDiggerDirection.visible() && mDiggerDirection.rect().contains(MOUSE_COORDS)) { return; }
  if (mWindowStack.pointInWindow(MOUSE_COORDS) && button == EventHandler::MouseButton::BUTTON_LEFT)
  {
  