[resotocore][fix] args parser needs to allow empty space

[aquamatthias]

Description

To-Dos

• Add test coverage for new or updated functionality
• Lint and test with tox

Code of Conduct

By submitting this pull request, I agree to follow the code of conduct.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b07eef1) 89.80% compared to head (5a5f2a9) 89.82%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1848      +/-   ##
==========================================
+ Coverage   89.80%   89.82%   +0.01%     
==========================================
  Files          93       93              
  Lines       16032    16032              
==========================================
+ Hits        14398    14400       +2     
+ Misses       1634     1632       -2     

Flag	Coverage Δ
resotocore	89.82% <ø> (+0.01%)	⬆️

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