Add ablility to enable/disable media providers

[Tolriq]

Globally filter displayed data (Media providers, libraries, only offline media, ...)

Symfonium offer a consolidated view of all your media providers and their libraries. There might be times where you want to filter the visible data to only show specific libraries or media that are only available offline for example. If you enable the Available offline filter, then only media that are cached locally will be played. Note: A lot of screens also have contextual filters that only apply to them. See Sort, filter and configure display modes in library views You can do that easily …