[PATCH v2 0/3] MR8727: Draft: mshtml/nsio: Fire BeforeNavigate2 event in async_open.

[Jacob Czekalla (＠JacobCzekalla)]

This is for documents with multiple frames that are loaded asynchronously.

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  v2: mshtml/nsio: Fire BeforeNavigate2 event in async_open.
      ieframe/tests: Add test for iframes.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/8727