no exception for the root of the mount point (formerly Shared/), just get the file cache information from the cache

- mount shares to the root folder instead of "Shared/"
- navigate in shared folder and sub-folders
- show previews
- show correct file permissions
- download/edit files

Add option to getUsersSharingFile() to get the paths for the shared users

Cache user

LDAP: fix random resets of filter 

Clean up js.js along suggestions from scrutinizer-ci, fixes #8204.

Make lib/** share.php strings extractable for translation

add uncompressed jquery files - fixes #8294

Add new jquery files to exclude list

LDAP: cache display names immediately on retrieval, saves tens of unecessary queries to LDAP server in the share dialog for example

They were not ready for translation as they had no placeholders
and/nor wrapper function to be translated

This should fix: #8011