Added major feature to support blit with delta frames on lz4 (send only different bytes frame to frame). Isn't as default.
[Retroarch]
New option "mister_force_scaler" to show overlays from scaler.
[Core]
Fixed regression introduced on 20240914 with 480i and scandoubler.
OSD shows cmd_init params (rgb, lz4, sound rate and channels,...)