* fix: explicitly call GetNativeNSView() on macOS
Co-authored-by: Charles Kerr <charles@charleskerr.com>
* chore: move macOS impl to a .mm file
This is needed in order to access gfx::NativeView::GetNativeNSView()
Co-authored-by: Charles Kerr <charles@charleskerr.com>
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Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Charles Kerr <charles@charleskerr.com>
