Allow warp-kos loss for LightFMWrapperModel

[chezou]

Description

Fix #174

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Optimization

How Has This Been Tested?

Before submitting a PR, please check yourself against the following list. It would save us quite a lot of time.

• Have you read the contribution guide?
  • Yes
• Have you updated the relevant docstrings? We're using Numpy format, please double-check yourself
  • No
• Does your change require any new tests?
  • Yes
• Have you updated the changelog file?
  • Yes

I know it is the best unit test for it, but I gave up on finding the right dataset to successfully fit.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (9b3992e) to head (8658b67). Report is 70 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #175 +/- ## =========================================== Coverage 100.00% 100.00% =========================================== Files 45 56 +11 Lines 2242 3447 +1205 =========================================== + Hits 2242 3447 +1205 ```

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