upload files - favourites missing - propose last directory

Steps to reproduce

1. upload a file
2. favourites are not displayed -

Expected behaviour

• favourites should be displayed/selectable - should be next to "Create Folder"
• last upload folder should be remembered - very often this could be very useful and avoid selecting the same path over and over if the source files can't be selected all at once.

Actual behaviour

Tell was what instead happens.

Screenshots

If applicable, add a screenshot showing the issue.

Logs

If applicable, you can post the iOS app or server logs (removing any sensitive information).

Reasoning or why should it be changed/implemented?

Environment data

iOS version: e.g. iOS 14.4.1

Nextcloud iOS app version: see More > Settings

Server operating system:

Web server: Apache, nginx

Database:

PHP version:

Nextcloud version: see Nextcloud admin page

No files or tests are named. Start by locating the iOS upload file-picker flow, then verify how favourites and the previously used upload folder are selected or stored. Done means favourites are displayed and selectable beside “Create Folder”, and the last upload folder is remembered for later uploads.