Group by custom cell component losing the custom component

## Describe the bug
When I group by custom cell component it lose the custom component and it just show value.

## To Reproduce
Take a look on the [example](https://stackblitz.com/edit/stackblitz-starters-nwprho?description=React%20%20%20TypeScript%20starter%20project&file=package.json,src%2FApp.tsx,src%2Fstyle.css&title=React%20Starter)
There is custom cell that represent colors and once I group by this column I lose the custom cell component and just see the value

Link to code example: [example](https://stackblitz.com/edit/stackblitz-starters-nwprho?description=React%20%20%20TypeScript%20starter%20project&file=package.json,src%2FApp.tsx,src%2Fstyle.css&title=React%20Starter)

## Expected behavior

## Environment

- `react-data-grid` ^7.0.0-beta.36:
- `react`/`react-dom` 18.2.0:

## Additional context