RFR: 8322239: [macos] a11y : java.lang.NullPointerException is thrown when focus is moved on the JTabbedPane

[Abhishek Kumar]

On Tue, 6 Feb 2024 20:13:01 GMT, Alexander Zuev <kizune at openjdk.org> wrote:

> Add null check for the Aqua LnF situation when tab is hidden die to the tabs overflow.

Verified the fix on MacOS 13.6.3. Looks good to me.

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Marked as reviewed by abhiscxk (Committer).

PR Review: https://git.openjdk.org/jdk/pull/17736#pullrequestreview-1867477511