Do not try to import settings file if repo directory does not exist

[isc-pbarton]

Fixes #713

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 41.17%. Comparing base (d477eb6) to head (6652ecf).

Files with missing lines	Patch %	Lines
cls/SourceControl/Git/Utils.cls	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #715   +/-   ##
=======================================
  Coverage   41.17%   41.17%           
=======================================
  Files          24       24           
  Lines        3184     3184           
=======================================
  Hits         1311     1311           
  Misses       1873     1873           

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