GB Video: Fix frame end callbacks not getting called while screen is off
GB Video: Fix frame end callbacks not getting called while screen is off

Anty-Lemon/mgba,Iniquitatis/mgba,libretro/mgba,mgba-emu/mgba,libretro/mgba,fr500/mgba,libretro/mgba,Iniquitatis/mgba,mgba-emu/mgba,Anty-Lemon/mgba,fr500/mgba,Anty-Lemon/mgba,libretro/mgba,fr500/mgba,Anty-Lemon/mgba,fr500/mgba,libretro/mgba,mgba-emu/mgba,mgba-emu/mgba,Iniquitatis/mgba,Iniquitatis/mgba