RFR: 8312075: FileChooser.win32.newFolder is not updated when changing Locale [v5]

[Tejesh R]

On Thu, 31 Aug 2023 15:59:35 GMT, Tejesh R <tr at openjdk.org> wrote:

>> Yes, a helper method which deletes a directory that you pass as a parameter and prints an error if it fails.
>> 
>> Then removing the two directories is a matter of calling this method twice: for the English and French directory.
>> 
>> You just got the condition wrong, it seems. The one you used previously looked correct.
>
> The previous one had an issue when `newFolderEnglish` / `newFolderFrench` is null. The updated one is right.

Then I have updated with helper method.

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PR Review Comment: https://git.openjdk.org/jdk/pull/15069#discussion_r1311857365