Better arrangement of "new" menu (files plugin)

[susnux]

• As the last open part of https://github.com/nextcloud/server/issues/43728

The "new" menu entry should have the proper placement, all you need to do is to ad category: NewMenuEntryCategory.Other here:

https://github.com/nextcloud/text/blob/c2b25db6f9c31b9d6e382a3240adfc67d24a0e3c/src/helpers/files.js#L118-L120

with:

import { NewMenuEntryCategory } from '@nextcloud/files'