/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/ is in plasma-mediacenter 5.7.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/categoriesbar/
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/categoriesbar/CategoriesBar.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/categoriesbar/CategoriesList.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/categoriesbar/CategoriesListDelegate.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/imageviewer/
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/imageviewer/ImageViewer.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/imageviewer/PictureStrip.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/imageviewer/PictureStripDelegate.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/mediabrowser/
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/mediabrowser/MediaBrowser.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/mediabrowser/PopupModel.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/mediacontroller/
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/mediacontroller/MediaController.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/mediaplayer/
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/mediaplayer/MediaPlayer.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/mediaplayer/MusicStats.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/mediaplayer/StatsLabel.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/playlist/
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/playlist/MultiplePlaylists.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/playlist/Playlist.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/playlist/PlaylistDelegate.qml
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/playlist/PlaylistDelegateLogic.js
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/mediacenter/elements/qmldir