Add fallback if accessing HSDS fails

[ppinchuk]

in check_res_file function, if HSDS cannot be connected to (either service is unreachable or folder is incorrect), report that back to caller instead of erroring out

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 80.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 67.84%. Comparing base (99ba31a) to head (e2f5b56).

Files with missing lines	Patch %	Lines
rex/utilities/utilities.py	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #216      +/-   ##
==========================================
+ Coverage   67.70%   67.84%   +0.14%     
==========================================
  Files          40       40              
  Lines        7098     7101       +3     
  Branches     1040     1040              
==========================================
+ Hits         4806     4818      +12     
+ Misses       1964     1954      -10     
- Partials      328      329       +1     

Flag	Coverage Δ
unittests	67.84% <80.00%> (+0.14%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
rex/utilities/utilities.py	47.63% <80.00%> (+2.96%)	⬆️

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