fix: update vue 2 reactivity

[Graphmaxer]

🔗 Linked issue

#1772

❓ 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

When updating an object in Vue 2, we cannot use directly Object.assign with 2 params and delete is not reactive.

cf. https://v2.vuejs.org/v2/guide/reactivity.html#For-Objects

📝 Checklist

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

[codecov-commenter]

Codecov Report

Attention: 10 lines in your changes are missing coverage. Please review.

Comparison is base (a7ab3bf) 99.10% compared to head (b289c7b) 98.94%.
Report is 5 commits behind head on main.

Files	Patch %	Lines
...kages/pinia-orm/src/composables/useStoreActions.ts	70.58%	10 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1773      +/-   ##
==========================================
- Coverage   99.10%   98.94%   -0.17%     
==========================================
  Files          90       90              
  Lines        5917     5946      +29     
  Branches      494      499       +5     
==========================================
+ Hits         5864     5883      +19     
- Misses         50       60      +10     
  Partials        3        3              

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[Graphmaxer]

I don't know how to have 100% of code coverage with Vue 2 conditions, maybe it's possible to combine multiple reports with nyc https://github.com/istanbuljs/nyc?tab=readme-ov-file#combining-reports-from-multiple-runs

[Graphmaxer]

Some tests are failing with test:2 :/

[CodeDredd]

@Graphmaxer Thanks for the PR. I try to look into it and think about it.
I don't like it to have a new package as dependency. I hopefully find a solution to your problem.
Meanwhile it would be good if could write a test for this.

[Graphmaxer]

I updated the test performance/prevent_rerender_of_child_components to be compatible with Vue 2 and it is failing because of a lack of reactivity. This test is already testing the bug.

[Graphmaxer]

I found a proper way without vue-demi as a direct dependency and added a specific tests to test reactivity and it is working great :)

[phillipfickl]

Thanks for your PR, it works well for me, reactivity is working again! Tested on 2.7.16.

[Graphmaxer]

Any update on the review @CodeDredd ?

[phillipfickl]

@CodeDredd if you found a minute to review and release this, I'd really appreciate it! Thanks for your time