Masonry repeat(auto-fit) should behave as repeat(auto-fill)
Pull request: https://github.com/WebKit/WebKit/pull/7001
Pull request: https://github.com/WebKit/WebKit/pull/7051
Committed 257300@main (f91e41a89ed6): <https://commits.webkit.org/257300@main> Reviewed commits have been landed. Closing PR #7051 and removing active labels.
<rdar://problem/102913538>