always reorder for aupr metric

[triet1102]

Description

This PR mirrors the changes in #944 and #945 , apply for AUPR metric.

Changes

• Bug fix (non-breaking change which fixes an issue)
• Refactor (non-breaking change which refactors the code base)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist

• My code follows the pre-commit style and check guidelines of this project.
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing tests pass locally with my changes
• I have added a summary of my changes to the CHANGELOG (not for minor changes, docs and tests).

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: +0.02 🎉

Comparison is base (7bc2330) 81.33% compared to head (9d2c4e3) 81.35%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #975      +/-   ##
==========================================
+ Coverage   81.33%   81.35%   +0.02%     
==========================================
  Files         176      176              
  Lines        6805     6802       -3     
==========================================
- Hits         5535     5534       -1     
+ Misses       1270     1268       -2     

Impacted Files	Coverage Δ
src/anomalib/utils/metrics/aupr.py	41.37% <0.00%> (+0.75%)	⬆️

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