Always align flag defaults in usage text

[FollowTheProcess]

Summary

[codecov]

Codecov Report

❌ Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 87.74%. Comparing base (c47181d) to head (4491c21).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
command.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #187   +/-   ##
=======================================
  Coverage   87.73%   87.74%           
=======================================
  Files           8        8           
  Lines        1500     1501    +1     
=======================================
+ Hits         1316     1317    +1     
  Misses        122      122           
  Partials       62       62           

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