Skip response-class casting to facilitate multi-protocol return values from pm.execution.runRequest

[deve-sh]

Adds backwards-compatible setup for pm.execution.runRequest's resolved value to be non-HTTP response as well. In which case there's no additional processing needed to be done.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 41.97%. Comparing base (d74d65c) to head (433a768).
⚠️ Report is 1 commits behind head on develop.

Files with missing lines	Patch %	Lines
lib/sandbox/pmapi.js	0.00%	4 Missing ⚠️

❌ Your patch status has failed because the patch coverage (0.00%) is below the target coverage (100.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1098      +/-   ##
===========================================
- Coverage    42.07%   41.97%   -0.11%     
===========================================
  Files           14       14              
  Lines          808      810       +2     
  Branches       209      211       +2     
===========================================
  Hits           340      340              
- Misses         428      430       +2     
  Partials        40       40              

Flag	Coverage Δ
unit	41.97% <0.00%> (-0.11%)	⬇️

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