Relates: #11322
* Migrated all fixtures to PHP. * Removed version specific adjustments.
The vendor was renamed from `wrm` to `werkraummedia`. And the namespace vendor was renamed from `Wrm` to `WerkraumMedia`. That way all references to PHP classes as well as the package name itself need to be adjusted.
Use php-cs-fixer as within other extensions. Use same configuration. Apply configuration