[DataGrid] renderCell params.row values on an auto-generated grouping row

[nurira]

Steps to reproduce

Link to live example

Current behavior

params.row.lastName and params.row.someOtherProperty are undefined within the renderCell call of an autogenerated grouping row.

Expected behavior

No response

Context

I'm trying to render a custom component using other properties on a row model (that don't have their own columns) for a particular column but also want to use that custom render for the grouping row as well.
The problem is that I can't access the row model in the grouping column.

Your environment

npx @mui/envinfo

    System:
    OS: Linux 6.1 Debian GNU/Linux 12 (bookworm) 12 (bookworm)
  Binaries:
    Node: 20.9.0 - /usr/local/bin/node
    npm: 9.8.1 - /usr/local/bin/npm
    pnpm: 8.10.2 - /usr/local/share/npm-global/bin/pnpm
  Browsers:
    Chrome: Not Found
  npmPackages:
    @emotion/react: latest => 11.11.4 
    @emotion/styled: latest => 11.11.0 
    @mui/icons-material: latest => 5.15.11 
    @mui/material: latest => 5.15.11 
    @mui/x-data-grid-generator: latest => 6.19.5 
    @mui/x-data-grid-premium: latest => 6.19.5 
    @types/react: latest => 18.2.60 
    react: latest => 18.2.0 
    react-dom: latest => 18.2.0 
    typescript: latest => 5.3.3 

Search keywords: rendercell datagrid params.row row model

[github-actions]

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