SKEB fix with d_con = zero

[NeilBarton-NOAA]

Commit Queue Requirements:

• Fill out all sections of this template.
• All sub component pull requests have been reviewed by their code managers.
• Run the full Intel+GNU RT suite (compared to current baselines) on either Hera/Derecho/Hercules
• Commit 'test_changes.list' from previous step

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Description:

Commit Message:

The dyn_core fails when d_con is zero and skeb is True because heat_source is unallocated. This change allocates heat_source when skeb is True and d_con is zero.

* UFSWM - 
   * FV3 - 
    * atmos_cubed_sphere - 

Priority:

• Critical Bugfix: SFS model fails with SKEB when d_con is zero

Git Tracking

UFSWM:

• Closes #
• None

Sub component Pull Requests:

• CMakeModules:
• FV3: SKEB fix when using hydrostatic option NOAA-EMC/fv3atm#862
  • atmos_cubed_sphere: allocate heat_source when SKEB is True and d_con is zero NOAA-GFDL/GFDL_atmos_cubed_sphere#351

UFSWM Blocking Dependencies:

• Blocked by #
• None

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Changes

Regression Test Changes (Please commit test_changes.list):

• No Baseline Changes.

Input data Changes:

• None.

Library Changes/Upgrades:

• No Updates

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Testing Log:

• RDHPCS
  • Hera
  • Orion
  • Hercules
  • Jet
  • Gaea
  • Derecho
• WCOSS2
  • Dogwood/Cactus
  • Acorn
• CI
• opnReqTest (complete task if unnecessary)

[jkbk2004]

merged with #2278