Upgrade Vuex implementation to be compatible with Vue 3's reactivity system

[rak-phillip]

The current Vuex implementation for Dashboard is not fully compatible with Vue 3's reactivity system. Using Object.defineProperty() on the root state will generate the following error

Uncaught (in promise) TypeError: proxy must report the same value for the non-writable, non-configurable property '"$plugin"'

This error occurs because Vue 3 wraps the store's state object with a proxy to make it reactive, and the proxy's target object has its properties marked as non-writable and non-configurable.

• Ensure that $router, $route, $plugin, and cache.map are marked as non-reactive #11098

[yonasberhe23]

I don't see automated tests written for this change. is it possible to write tests for this or should this be tested manually? @rak-phillip

[rak-phillip]

@yonasberhe23 this is a refactor that should be covered by existing e2e tests.

[yonasberhe23]

@rak-phillip thanks! moving this to done. cc: @izaac