ref(geom): change VB divisor to stepMode
ref(geom): change VB divisor to stepMode

0 or 1 are the only supported values in WG anyway and this makes it more consistent and clear

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