fix(pinia-orm): Relations with same entity and different namespace were wrong

[CodeDredd]

🔗 Linked issue

closes #1740

❓ Type of change

• [ ] 📖 Documentation (updates to the documentation or readme)
• [x] 🐞 Bug fix (a non-breaking change that fixes an issue)
• [ ] 👌 Enhancement (improving an existing functionality like performance)
• [ ] ✨ New feature (a non-breaking change that adds functionality)
• [ ] ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

📝 Checklist

• [ ] I have linked an issue or discussion.
• [ ] I have updated the documentation accordingly.

[codecov-commenter]

Codecov Report

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

Project coverage is 99.71%. Comparing base (676ad48) to head (6f1f570).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1834 +/- ## ========================================== + Coverage 99.70% 99.71% +0.01% ========================================== Files 88 88 Lines 6001 6027 +26 Branches 510 511 +1 ========================================== + Hits 5983 6010 +27 + Misses 14 13 -1 Partials 4 4 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.