fix(pinia-orm): Get mutator was called twice

[CodeDredd]

🔗 Linked issue

related #1818

❓ 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 99.67%. Comparing base (9c8ee0d) to head (56dcc72).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1827 +/- ## ========================================== + Coverage 99.64% 99.67% +0.03% ========================================== Files 87 87 Lines 5934 5936 +2 Branches 509 510 +1 ========================================== + Hits 5913 5917 +4 + Misses 17 16 -1 + Partials 4 3 -1 ```

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