message: Fix background image orientation
diff: @@ -911,6 +911,8 @@ void OpenGLRenderer::setBackgroundImage(shared_ptr<terminal::BackgroundImage con
  DisplayLog()("Background image from disk: {}x{} {}", qImage.width(), qImage.height(), imageFormat);
  _renderStateCache.backgroundImageHash = crispy::StrongHash::compute(filePath.string());
  _renderStateCache.backgroundResolution = qImage.size();
  + // for glTextImage2D image must be inverted
  + qImage.mirror();
  _backgroundImageTexture =
  createAndUploadImage(qImage.size(), imageFormat, rowAlignment, qImage.constBits());
  }
  