fix: Fixed privileged remote access add_portal method return respose

[willguibr]

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[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 57.24%. Comparing base (1b13d06) to head (46b484e).
Report is 1 commits behind head on master.

Files	Patch %	Lines
zscaler/zpa/privileged_remote_access.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #86      +/-   ##
==========================================
- Coverage   57.29%   57.24%   -0.05%     
==========================================
  Files          52       52              
  Lines        3360     3359       -1     
==========================================
- Hits         1925     1923       -2     
- Misses       1435     1436       +1     

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