fix(skybox): handle case where sRGB is not supported
fix(skybox): handle case where sRGB is not supported

zenmumbler/libzm,zenmumbler/libzm,zenmumbler/stardazed-tx,stardazed/stardazed-tx,zenmumbler/stardazed-tx,stardazed/stardazed,zenmumbler/stardazed-tx,zenmumbler/stardazed-tx,stardazed/stardazed,zenmumbler/libzm,stardazed/stardazed-tx,zenmumbler/libzm,stardazed/stardazed-tx