Fix permissions check when moving a file to a different directory over webdav

Sharing fix permissions

Port of  LDAP Wizard: get correct total no of users, groups and complete list of groups on big setups #9002

fix PHPdoc

Conflicts:
	apps/user_ldap/lib/connection.php

add method to count groups on LDAP

Conflicts:
	apps/user_ldap/lib/access.php

LDAP Wizard: count users and groups with the power of paged search

Conflicts:
	apps/user_ldap/lib/wizard.php

consolidate requirement check

fix PHPdoc

Conflicts:
	apps/user_ldap/lib/access.php

Wizard: get really all groups from LDAP by power of Paged Search

Conflicts:
	apps/user_ldap/lib/wizard.php

make all this work in an early configuration state in the wizard by marking  the config active and ignoring the validation state.

Conflicts:
	apps/user_ldap/lib/connection.php

simplify two methods a bit, because they are not used for group search anymore

Conflicts:
	apps/user_ldap/lib/wizard.php

remove unused vars; increase scrutinizer happiness

Enhancement: Displays users and admin count in the Users Management.

Remove warning when deleting all entries

fixes the layout for error messages on the update page

always use '/' as directory seperator

Update the modified date in UI on file reversion

fix recursion on rmdirr

Fix blurring of invalid file name on rename

Only cache enabled apps when logged in

Fix moving files into read only public shares

When renaming to an existing file name, blurring the field should not
remove it.

This fix keeps the field until escape is pressed instead of replacing it
with a broken empty space.

When deleting all entries, only "allfiles" is defined but not "file" or
"files", which caused a PHP warning to be logged.

[master] Use actual file path on rename/delete

Prevent loadApps on upgrade

Clear file selection when list is repopulated

Setup the external share manager in a hook

When calling FileList.setFiles() the current selection needs to be
cleared.