macosx: Deselect audio library collection view selection when switching audio library views

This PR fixes a bug in master where upon switching sections of the audio library the currently selected index path is retained, leading to a supplementary detail view being opened for the item at the index path of the selected item in the prior audio view

With fix:

Screen_Recording_2023-01-11_at_23.14.15

Before fix:

Screen_Recording_2023-01-11_at_23.15.10

Signed-off-by: Claudio Cambra developer@claudiocambra.com