Qt6 Multimedia not set up properly

The multimedia plugins for the sdk and content snap isn't setup properly. There is no plugin available for Qt-Multimedia, resulting into issues like this.

futuresql: Migrations finished
futuresql: Running "select distinct (search_query) from searches order by search_id desc limit 20"
futuresql: Running "select * from favourites natural join songs order by favourites.rowid desc"
futuresql: Running "select * from played_songs natural join songs"
futuresql: Running "select * from played_songs natural join songs order by plays desc limit 10"
futuresql: Running "select * from playlists"
qrc:/AlbumCoverItem.qml:19:12: Duplicate signal name: invalid override of property change signal or superclass signal
futuresql: Running "select * from playlists"
futuresql: Running "select * from playlists"
qrc:/qt/qml/org/kde/kirigamiaddons/components/BottomDrawer.qml:156:9: QML Control: Binding loop detected for property "implicitWidth"
No QtMultimedia backends found. Only QMediaDevices, QAudioDevice, QSoundEffect, QAudioSink, and QAudioSource are available.
Failed to initialize QMediaPlayer "Not available"