2.9.4

• Fix closing delete confirmation modal triggers datagrid rowClick event (3360) (Kmaschta)
• Fix <DashboardMenuItem> does not use className prop (3357) (Kmaschta)
• Fix unused import in tutorial (3366) (jesseshieh)
• Fix broken links to material-ui v1 documentation (3365) (fzaninotto)
• Fix broken link to Bulk Action Buttons in docs (3361) (bmuthoga)
• Fix dead link to material-ui doc in List customization (3353) (Kmaschta)
• Fix typo in Custom Input documentation (3346) (CrossEye)