RFR: 8187759: Background not refreshed when painting over a transparent JFrame [v4]

[Tejesh R]

On Thu, 15 Feb 2024 18:46:37 GMT, Alexander Zvegintsev <azvegint at openjdk.org> wrote:

>> Tejesh R has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Frame dispose moved into EDT
>
> Marked as reviewed by azvegint (Reviewer).

@azvegint @mrserb I have created two separate issue for windows and mac for the test failures. 
1. https://bugs.openjdk.org/browse/JDK-8326026
2. https://bugs.openjdk.org/browse/JDK-8326027

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PR Comment: https://git.openjdk.org/jdk/pull/17081#issuecomment-1947887272