Dream workflow: units are weird after Lorentz correction

Computing CorrectedDetector[SampleRun] in the dream geant4 workflow from the docs yields data with a strange unit:

dim='event',
content=DataArray(
          dims=(event: 1533595),
          data=float64[1.00000000000000074e-40*m^4*counts],
          coords={'event_time_zero':datetime64[ns], 'tof':float64[ns], 'wavelength':float64[Å],
                  'dspacing':float64[Å]})

According to the docstring, the corrections is computed as $d^4 \sin\theta$ (https://github.com/scipp/essdiffraction/blob/main/src/ess/powder/correction.py#L358).
This is indeed what is written in the gsas book:

This is weird because the other formulas listed in that document seem to be dimensionless?
But d^4 is obviously not dimensionless...

Reproduce the documented Dream Geant4 workflow that computes CorrectedDetector[SampleRun], then inspect src/ess/powder/correction.py around line 358 and the referenced docstring. Compare the resulting m^4*counts unit with the GSAS formula and the other correction formulas; done means the intended units are resolved and the workflow's output and documentation agree.