RFR: 8254841: [macos] Enter or Exit events are shouldn't be displayed while resizing [v5]

[Phil Race]

On Fri, 17 Sep 2021 16:33:10 GMT, Alisen Chung <github.com+90066231+alisenchung at openjdk.org> wrote:

>> Added a resizing flag when the window is currently being resized to block mouseEntered and mouseExited events from being posted to that window.
>
> Alisen Chung has updated the pull request incrementally with one additional commit since the last revision:
> 
>   added check for inLiveResize in AWTWindow

I fixed the bug synopsis in JBS but the PR owner will need to update it to match

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PR: https://git.openjdk.java.net/jdk/pull/5497