RFR: 8185429: [macos] After a modal dialog is closed, no window becomes active [v2]

[Sergey Bylokhov]

On Fri, 7 Jun 2024 20:34:23 GMT, Alisen Chung <achung at openjdk.org> wrote:

>> Add a check for previous focused window on modal unblocking. If the owner of a closing dialog was the last focused window, then the owner of the dialog should regain focus.
>
> Alisen Chung has updated the pull request incrementally with one additional commit since the last revision:
> 
>   use == over .equals

Marked as reviewed by serb (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/19588#pullrequestreview-2137035590