Add a missing Dangan Ronpa 1 hack

Dangan-Ronpa 1 PSP The Best Ver
Merge pull request #6147 from sum2012/Danganronpa

Add a missing Dangan Ronpa 1 hack
Allow changing "read framebuffers" at runtime.

Fixes #6149.
Play it a bit safer on rendering mode changes.

This way funny things should be less likely.
Clear jit when changing "fast memory".

This way it takes effect immediately.
Allow jit to be enabled/disabled at runtime.
Report GHA phase shifting.
Merge pull request #6155 from unknownbrackets/ui-tweaks

Allow jit and fast memory to be reconfigured at runtime
Merge pull request #6154 from unknownbrackets/gpu-readpixels

Fix some rendering mode changes
Oops, forgot to move this, darn it.
Oops, reversed the check.