RFR: 8338041: Keyborad Navigation of JTable, Ctrl Shift RIGHT/LEFT doesn't follow native action in GTK L&F

[Damon Nguyen]

On Fri, 16 Aug 2024 07:39:44 GMT, Tejesh R <tr at openjdk.org> wrote:

> In JTable, keyboard navigation keys Ctrl Shift RIGHT/LEFT doesn't follow native actions of Linux. In native the actions are extended to end of selected columns cells either LEFT/RIGHT but in swing gtk look and feel the selection is extended to one cell to left/right. This might be taken as reference of Windows OS since the same is observed in Windows native. Hence I have update the actions for Ctrl Shift RIGHT & LEFT. 
> Added automated test too. The fix is tested in CI and its fine.

Also probably worth fixing the `Keyborad` typo in the title and JBS issue to `Keyboard`.

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PR Comment: https://git.openjdk.org/jdk/pull/20608#issuecomment-2297012131