recursively get the function folder

[msivasubramaniaan]

Fixes: #3931

[codecov]

Codecov Report

Attention: Patch coverage is 25.00000% with 6 lines in your changes are missing coverage. Please review.

Project coverage is 45.39%. Comparing base (da60441) to head (aac5eb8).
Report is 61 commits behind head on main.

Files	Patch %	Lines
src/serverlessFunction/functionModel.ts	25.00%	6 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #3944       +/-   ##
===========================================
+ Coverage   32.37%   45.39%   +13.01%     
===========================================
  Files          85       85               
  Lines        6505     6565       +60     
  Branches     1349     1343        -6     
===========================================
+ Hits         2106     2980      +874     
+ Misses       4399     3585      -814     

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[datho7561]

Looks good and fixes the problem!