709 adapt creation modal to mobile view (#744)

* [#709] adapt creation modal to mobile view
* [#709] extracted time and date pickers to relevant subcomponents
* [#709] add bottom sheet to creation modal
* [#709] set autocomplete to off in title and location
* [#709] remove autofocus in event update modal

package.json

@@ -19,6 +19,7 @@
     "@mui/x-date-pickers": "^8.14.0",
     "@reduxjs/toolkit": "^2.8.2",
     "@sentry/react": "^8.55.1",
+    "classnames": "^2.5.1",
     "cozy-external-bridge": "^1.2.1",
     "date-fns": "^4.1.0",
     "dayjs": "^1.11.19",