Correct handling of '-s'/'-n' flag when adding inlimit using ecflow_client ECFLOW-2094

[marcosbento]

Description

As per PR title.

Contributor Declaration

By opening this pull request, I affirm the following:

• All authors agree to the Contributor License Agreement.
• The code follows the project's coding standards.
• I have performed self-review and added comments where needed.
• I have added or updated tests to verify that my changes are effective and functional.
• I have run all existing tests and confirmed they pass.

🌦️ >> Documentation << 🌦️
https://sites.ecmwf.int/docs/dev-section/ecflow/pull-requests/PR-344

[codecov-commenter]

Codecov Report

❌ Patch coverage is 97.68519% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 50.65%. Comparing base (1871903) to head (f4ec0da).

Files with missing lines	Patch %	Lines
libs/test/foolproof/TestFoolproof.InLimit.cpp	96.73%	5 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #344      +/-   ##
===========================================
+ Coverage    50.57%   50.65%   +0.08%     
===========================================
  Files         1237     1238       +1     
  Lines        98653    98819     +166     
  Branches     14958    14955       -3     
===========================================
+ Hits         49890    50057     +167     
+ Misses       48763    48762       -1     

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