ISO Loader 0.8.x Beta + preview of DreamShell v4.0 RC 5

[SWAT]

Big update - https://github.com/DC-SWAT/DreamShell/releases

- Improve UI for ISO Loader app (scrollbar, icons, menu).
- Added VMU emulation feature settings for ISO Loader app (experimental).
- Added new feature to ISO Loader for capture high quality screenshots (experimental).
- Improve PIO read/write for IDE loader and FAT.
- Cleanup core code from unneeded locking.
- Fixes for GUI resources and library.
- Fixed network support and initialize network at startup if have BBA.

No changes for games compatibility.
VMU dumps should puts to /vmu/dump001.vmd or /DS/vmu/dump001.vmd with up to 999 number.
Screenshot writes to /screenshot or /DS/screenshot with auto naming.

See examples for high quality screenshots without compression captured directly from video frame buffer:
https://mega.nz/file/X0pHnQwS#1bBwzwuuAV...kPLsvY9BD8