[docs] v6 dashboard template uses react-spring which is not react 19 compatible yet

[LittleColin]

Related page

https://github.com/mui/material-ui/tree/v6.4.2/docs/data/material/getting-started/templates/dashboard

Kind of issue

Other

Issue description

The document says the only dependencies of the dashboard template are:

Make sure your project has the required dependencies: @mui/material, @mui/icons-material, @emotion/styled, @emotion/react, @mui/x-charts, @mui/x-date-pickers, @mui/x-data-grid, @mui/x-tree-view, dayjs

However the CustomisedTree uses react-spring - this has not yet been made react 19 compatible: pmndrs/react-spring#2341

So the template doesn't compile:

Module not found: Can't resolve '@react-spring/web'

Context

Trying to combine nextjs typescript template with the dashboard template from

material-ui/examples/material-ui-nextjs-ts (which is react 19)
with:
material-ui/docs/data/material/getting-started/templates/dashboard
material-ui/docs/data/material/getting-started/templates/shared-theme

Search keywords: react 19 react-spring dashboard template resolve @react-spring/web