[data grid] Use the new toolbar by default in v8 #15823
Description
- Use the new toolbar from [DataGrid] New Toolbar component #14611 by default
- Deprecate the old toolbar components
-
Stop exportingagreed to not do this in v8GridToolbarcomponent - Add a new prop to enable toolbar (instead of
slots={{ GridToolbar }}) – e.g.showToolbar[DataGrid] AddshowToolbarprop to enable default toolbar #16687