Read fhd catalog fix

[dstorer]

Minor fix to allow SkyModel to read fhd catalogs with the naming convention source_array - previously, the only acceptable name was catalog.

Description

Check for catalog file name before reading and read appropriate name.

Motivation and Context

Change allows us to read all types of fhd output catalogs.

Checklists:

Bug Fix Checklist:

• I have read the contribution guide.
• My code follows the code style of this project.
• My fix includes a new test that breaks as a result of the bug (if possible).
• My change includes a breaking change
  • My change includes backwards compatibility and deprecation warnings (if possible).
• I have updated the CHANGELOG.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (f3f91ce) 100.00% compared to head (b8e373e) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #207   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            5         5           
  Lines         2129      2134    +5     
  Branches       606       608    +2     
=========================================
+ Hits          2129      2134    +5     

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[bhazelton]

This is looking good, there's just one line that's not covered by tests. I just merged a PR that will fix the pre-commit and tutorial test errors, so if you rebase this on main I think those issues will go away.

[bhazelton]

Thanks @dstorer!