/usr/share/kf5/kactivitymanagerd/ is in kactivities 5.18.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/kf5/kactivitymanagerd/workspace/
/usr/share/kf5/kactivitymanagerd/workspace/settings/
/usr/share/kf5/kactivitymanagerd/workspace/settings/qml/
/usr/share/kf5/kactivitymanagerd/workspace/settings/qml/activitiesTab/
/usr/share/kf5/kactivitymanagerd/workspace/settings/qml/activitiesTab/ActivitiesView.qml
/usr/share/kf5/kactivitymanagerd/workspace/settings/qml/activitiesTab/main.qml
/usr/share/kf5/kactivitymanagerd/workspace/settings/qml/activityDialog/
/usr/share/kf5/kactivitymanagerd/workspace/settings/qml/activityDialog/GeneralTab.qml
/usr/share/kf5/kactivitymanagerd/workspace/settings/qml/activityDialog/OtherTab.qml
/usr/share/kf5/kactivitymanagerd/workspace/settings/qml/activityDialog/components/
/usr/share/kf5/kactivitymanagerd/workspace/settings/qml/activityDialog/components/DialogButtons.qml
/usr/share/kf5/kactivitymanagerd/workspace/settings/qml/activityDialog/components/IconChooser.qml
/usr/share/kf5/kactivitymanagerd/workspace/settings/qml/activityDialog/components/LabeledTextField.qml
/usr/share/kf5/kactivitymanagerd/workspace/settings/qml/activityDialog/components/ShortcutChooser.qml
/usr/share/kf5/kactivitymanagerd/workspace/settings/qml/privacyTab/
/usr/share/kf5/kactivitymanagerd/workspace/settings/qml/privacyTab/BlacklistApplicationView.qml