SNOW-1825719 - setting proxy port if default was skipped during parsing

[sfc-gh-pmotacki]

Description

Please explain the changes you made here.

Checklist

• Format code according to the existing code style (run npm run lint:check -- CHANGED_FILES and fix problems in changed code)
• Create tests which fail without the change (if possible)
• Make all tests (unit and integration) pass (npm run test:unit and npm run test:integration)
• Extend the README / documentation and ensure is properly displayed (if necessary)
• Provide JIRA issue id (if possible) or GitHub issue id in commit message

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.95%. Comparing base (871b10d) to head (dbad20b).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #972      +/-   ##
==========================================
+ Coverage   88.90%   88.95%   +0.05%     
==========================================
  Files          69       69              
  Lines        6748     6754       +6     
==========================================
+ Hits         5999     6008       +9     
+ Misses        749      746       -3     

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