fix(pinia-orm): Updates were wrong for hydrated cache for casts & mutators

[CodeDredd]

🔗 Linked issue

#1818

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 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

The hydration cache was not correctly updated for store updates with existing mutators or casts. Nice side effect. Updates are also faster because only 1 instread of 2 hydrations are happening.

📝 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 ✅

Project coverage is 99.72%. Comparing base (2e55b90) to head (b96de4a).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1823      +/-   ##
==========================================
+ Coverage   99.67%   99.72%   +0.05%     
==========================================
  Files          87       87              
  Lines        5902     5900       -2     
  Branches      501      500       -1     
==========================================
+ Hits         5883     5884       +1     
+ Misses         16       13       -3     
  Partials        3        3              

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