Merge branch 'feature_5168-unifyRootPageSelector' into 'master'

Classes/Controller/BackendController.php

Classes/Pagination/Pagination.php

Resources/Private/Language/de.locallang.xlf

Resources/Private/Language/locallang.xlf

Resources/Private/Layouts/Backend.html

Resources/Private/Partials/Backend/ButtonBar.html

Resources/Private/Partials/Backend/Pagination.html

Resources/Private/Partials/Backend/SelectRoot.html

Resources/Private/Partials/BaseDocHeader.html

Resources/Private/Partials/Bootstrap5/Job.html

Resources/Private/Partials/Job.html

Resources/Private/Partials/Path.html

Resources/Private/Templates/Backend/Index.html

...urces/Private/Templates/Bootstrap5/Joblist/ApplyForm.html

Resources/Public/Icons/logo-icon.svg

Resources/Public/Icons/logo-inverted.svg

Resources/Public/StyleSheets/backend.css