fix(transform): create did not handle default desc well
fix(transform): create did not handle default desc well

move default values into instance vars

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