Concatenate string in SQL instead of PHP
use doctrine to construct concat expression
cleanup and actually execute the query
Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/owncloud/core/inspections/cdfecc4e-a37e-4233-8025-f0d7252a8720

Enabled analysis tools:
 - PHP Analyzer
 - JSHint
 - PHP Copy/Paste Detector
 - PHP PDepend
fix 3rdparty submodule
Add event parameter to keyup event

Fix issue #7277
fix wrong removes
Merge pull request #7274 from owncloud/scrutinizer-patch-1

Scrutinizer Auto-Fixes
Merge pull request #4799 from owncloud/tune_legacy_cache_webdav_properties_prefixing_master

Concatenate string in SQL instead of PHP
Merge pull request #7278 from owncloud/issue/7277

Add event parameter to keyup event
Merge pull request #7275 from owncloud/3rdparty-fix

fix 3rdparty submodule
merge master into storage-folder-copy-rename