.make_splits() supports more flexible split definitions.

[JSabadin]

Purpose

Issues:

• If the dataset contains duplicates, parsing will fail with the error
  “Dataset size is smaller than the total number of files in the definitions.”
• Calling .make_splits(definitions) would fail if the definitions included extra files or if the dataset contained duplicate files.

Now when calling .make_splits(definitions), we simply remove duplicate entries, ignore any extra paths in the definitions, and log about it.

Specification

None / not applicable

Dependencies & Potential Impact

None / not applicable

Deployment Plan

None / not applicable

Testing & Validation

None / not applicable

[codecov]

Codecov Report

Attention: Patch coverage is 77.77778% with 2 lines in your changes missing coverage. Please review.

Project coverage is 95.26%. Comparing base (7758853) to head (e0cacaa).
Report is 4 commits behind head on main.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
luxonis_ml/data/datasets/luxonis_dataset.py	71.42%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #352      +/-   ##
==========================================
- Coverage   95.29%   95.26%   -0.03%     
==========================================
  Files         103      103              
  Lines        6328     6332       +4     
==========================================
+ Hits         6030     6032       +2     
- Misses        298      300       +2     

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