[Thumbnails] Escape group text properly

Fix getChildren/hasChildren/getSiblings/hasSiblings on unsaved new mo…

…dels (pimcore#11111)

* Fix getChildren/hasChildren/getSiblings/hasSiblings on unsaved new objects

* Fix getChildren/hasChildren/getSiblings/hasSiblings

* Fix test

* Update models/User/UserRole/Folder.php

Co-authored-by: Jacob Dreesen <[email protected]>

* Fix getVersionCountForUpdate method

* Fix getChildAmount method

Co-authored-by: Jacob Dreesen <[email protected]>

Hide edit button for empty EditableDialogBoxConfiguration - related to …

…pimcore#10962

Hide empty groups in the areablock menu (pimcore#10992)

Restore ExtJS locale files (pimcore#10888)

* Restore extjs locale

* debugSuffix also for locale file

* Remove debug files

* Load locale file only if it exists

[Messenger] clear runtime cache before messages get handled - otherwi…

…se old data could be processed

Apply php-cs-fixer changes

[Search] Contrast on tags panel collapse icon - fixes pimcore#10650

[Core] Config Deployment Improvements - Perspectives, Custom Views

Cleanup index.html.twig a bit