macosx: Prevent unnecessary reloadData calls in VLCLibraryAudioDataSource

Not only does this prevent wasting resources, it also fixes some bugs such as the sudden closing of the album supplementary view.

With the fixes in this PR:

Screen_Recording_2022-07-20_at_00.38.24

Before the fixes in this PR:

Screen_Recording_2022-07-20_at_00.42.06

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approved this merge request

changed milestone to %4.0

added Component::Interface: macOS label

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added 32 commits

• ebae36f6...f9057380 - 31 commits from branch videolan:master
• ca8078c0 - macosx: Prevent unnecessary reloadData calls in VLCLibraryAudioDataSource

Compare with previous version

merged

added Platform::macOS label