[core] Isolate DataGrid and XGrid

[dtassone]

TODO

• refactor how to inject 'useThemeProps' as it's breaking immunity
• refactor selection model to accept 'GridRowId' as it's breaking immunity

Part of #924

[oliviertassinari]

@mui-org/x Who wants to own and continue these changes?

[flaviendelangle]

I can take a look 👍
But do we agree that this is a first draft that won't remove the XGrid code contained in the hooks from the DataGrid bundle ?

[oliviertassinari]

do we agree that this is a first draft that won't remove the XGrid code contained in the hooks from the DataGrid bundle?

Agree, it's meant to be a step that allows us to build new hooks for XGrid only going forward.

[oliviertassinari]

looks good, it seems that you keep getting conflicts with it. It might be a good one to merge sooner rather than later 😁

[oliviertassinari]

I didn't notice this change. I think that we should revert the propTypes change. The propTypes needs to be in the same file for https://github.com/oliviertassinari/babel-plugin-transform-react-remove-prop-types to trigger. Actually, we also need to replace the TypeScript bundler to use the Babel bundler of the core that leverages this optimization and others. Once we move the infra to v5. the prop-types will be automatically generated and in the same file.