FIX: valid commands bug

[alm180]

PR Description

This fixes #1441

Merge checklist

Maintainer, please confirm the following before merging.
If applicable:

• All comments are resolved
• This is not your own PR
• All CIs are happy
• PR title starts with [MRG]
• whats_new.rst is updated
• New contributors have been added to CITATION.cff
• PR description includes phrase "closes <#issue-number>"

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 97.47%. Comparing base (d5498e2) to head (70043af).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
mne_bids/commands/run.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1442   +/-   ##
=======================================
  Coverage   97.47%   97.47%           
=======================================
  Files          40       40           
  Lines        9131     9131           
=======================================
  Hits         8900     8900           
  Misses        231      231           

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[drammock]

I think we can ignore codecov CI, the line wasn't covered before either