fix capitalization of text in users management

apply theme to the firstrunwizard

libxml - compare against loaded version

Colorize checkboxes depending on theming color

New LDAPProvider for user_ldap

Add a simple Admin UI to manage systemtags

* if the compiled in version is older than the loaded version Nextcloud doesn't work
* uses the loaded libxml version to check against

fixes #205

Support subdir in the OCS v2 endpoint

Don't try to load previews when we know there is none

We should check against the ending substring since people could
run their nextcloud in a subfolder.

* Added test

Fix misleading MySQL DB creation error (#25485)

Redirect to default page after login

Fix loading icon for workflowengine

Generate the checks list in JS

Allow DI of the workflow manager by the OCP interface

Whenever the GRANT ALL failed, it used to display "Database creation
failed" which is incorrect. It's only the privleges setting that failed.

This moves the privilege setting message to DEBUG and makes it more
precise.