[file_selector] Ignore empty accept group lists on macOS

google / flutter-desktop-embedding

Experimental plugins for Flutter for Desktop

Apache License 2.0

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[file_selector] Ignore empty accept group lists on macOS #837

Closed stuartmorgan closed 3 years ago

stuartmorgan commented 3 years ago

The null safety migration for file_selector defaults the accept group to an empty set rather than null, so empty set needs to be treated as no filter. That's already the case for Windows and Linux; this makes macOS consistent with that.