added a slider to debug dynamic scaling issues
added a slider to debug dynamic scaling issues


This is a big hackish, but is intended to help us debug scaling issues,
this adds a couple of sliders under [Debug] to control dynamic
scaling manually.


google/filament,google/filament,google/filament,google/filament,google/filament,google/filament,google/filament,google/filament,google/filament,google/filament,google/filament,google/filament