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

[SWAT]

Update: https://github.com/DC-SWAT/DreamShell/releases

- IRQ changes for CDDA (just need to make sure it doesn't get worse).
- Fix shortcuts in ISO Loader app (@VeraBecker reported).
- Auto enable CDDA (with IRQ) in ISO Loader app if present audio tracks (for IDE only).
- All code build on latest GCC 12.2.0 and newlib 4.3.0

Need to make sure nothing is broken, prev version of GCC is 9.3.0.