Switch hbcd pipeline back to Chen

[mattcieslak]

The Hou version of DSI Studio wasn't finding bundles in infant data. This PR switches the hbcd_scalar_maps back to using the Chen version.

I don't recommend switching back to Chen for all autotrack runs - we've been testing the Hou version and it looks good. But for infant data only Chen works at the moment

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 44.44444% with 5 lines in your changes missing coverage. Please review.

Project coverage is 48.75%. Comparing base (0e40c3b) to head (b167712).

Files with missing lines	Patch %	Lines
qsirecon/interfaces/dsi_studio.py	28.57%	4 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #202      +/-   ##
==========================================
- Coverage   48.78%   48.75%   -0.03%     
==========================================
  Files          56       56              
  Lines        7419     7423       +4     
  Branches     1013     1015       +2     
==========================================
  Hits         3619     3619              
- Misses       3583     3586       +3     
- Partials      217      218       +1     

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