`ccnorm` namelist parameter ignored in when `cloud_gfdl` and `pdfcld` are true
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During SHiELD physics/microphysics setup, the choices of cloud_gfdl and pdfcld influence which progcld subroutine is run. If both of these are set to true, progcld6 is run. progcld6, unlike the other progcld choices (eg), does not scale up condensate by cloud fraction even if ccnorm is set to True, despite indicating that is uses the ccnorm parameter setting. This seems unexpected for users and inconsistent with the other progcld behavior in SHiELD's radiation/microphysics routines.
Expected behavior
The ccnorm logic (scaling up of condensate based on cloud fraction if ccnorm is True) should be added to progcld6 to make it possible to do simulations that are physically consistent in terms of cloud condensate effects on radiation (ccnorm being False is not), and consistent with the behavior from other radiation scheme/microphysics namelist choices.