Fix for new partition info ordering.

[delucchi-cmu]

Change Description

Ordering of HealpixPixels within PartithinInfo changed to use "breadth-first" sorting in astronomy-commons/hats#640

Code Quality

• I have read the Contribution Guide and LINCC Frameworks Code of Conduct
• My code follows the code style of this project
• My code builds (or compiles) cleanly without any errors or warnings
• My code contains relevant comments and necessary documentation

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.72%. Comparing base (2a4ae5d) to head (56eaeb5).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #670   +/-   ##
=======================================
  Coverage   93.72%   93.72%           
=======================================
  Files          33       33           
  Lines        2039     2039           
=======================================
  Hits         1911     1911           
  Misses        128      128           

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