RFR: 8341191: Open source few more AWT FileDialog tests [v2]

[Phil Race]

On Tue, 1 Oct 2024 10:18:24 GMT, Abhishek Kumar <abhiscxk at openjdk.org> wrote:

>> AWT File Dialog related tests are converted from applet to manual and moved to open.
>
> Abhishek Kumar has updated the pull request incrementally with one additional commit since the last revision:
> 
>   spacing and removed unused code

Marked as reviewed by prr (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/21277#pullrequestreview-2341537224