void SetPaletteHeader(int index)
{
graphicsState.RemovePaletteGroupType(PaletteGroupType.Main);
var paletteHeaderGroup =
Project.GetIndexedDataType<PaletteHeaderGroup>(index);
graphicsState.AddPaletteHeaderGroup(paletteHeaderGroup, PaletteGroupType.Main);
InvalidateAllTiles();
}