macosx: Fix album table cell table view selection remaining when interacting with other album table cells

In the audio media library's split audio group views, we have a bug where each individual table view in each album table cell view will retain its selection after it loses first responder status. This MR fixes this issue.

With fix:

Screen_Recording_2023-03-22_at_13.32.29

Before fix:

Screen_Recording_2023-03-22_at_12.55.53

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