Allow window parameter for list

[SoongNoonien]

With the new case insensitive filters for the list command it is now possible to search for artists or albums. This works very nicely! Thank you for this feature! With large collections it could happen that the responses get very large. So, would it be possible to allow the window parameter for the list command similar to search or find? Perhaps it is not so easy to combine this with the group parameter.

[MaxKellermann]

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