Drawing memo

Sep 17, 2023

- Doesn't reload the file when the screen rotates.
- The layer setting dialog is now displayed even after screen rotation.
- Fixed an issue with the gray display of the SFC layer.
- Changed the layout of the SFC layer setting screen.
- Fixed some figures that could not be displayed in gray correctly.
- Changed so that the layer group also changes when the visibility of the layer in the preview display is changed.