RFR: 8224261: JProgressBar always with border painted around it

[Andrey Turbanov]

On Thu, 2 Nov 2023 04:13:17 GMT, Abhishek Kumar <abhiscxk at openjdk.org> wrote:

> JProgressBar is always painted with border irrespective of the value set via the API `setBorderPainted(boolean value)` in Synth (Nimbus and GTK) LAF. Proposed fix is to add a check before painting the component.
> 
> CI jobs are green after the fix. Links attached to JBS.

test/jdk/javax/swing/JProgressBar/TestProgressBarBorder.java line 126:

> 124:         frame = new JFrame("Test JProgressBar Border");
> 125:         JPanel p = new JPanel(new FlowLayout());
> 126:         progressBar  = new JProgressBar();

Suggestion:

        progressBar = new JProgressBar();

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PR Review Comment: https://git.openjdk.org/jdk/pull/16467#discussion_r1390757118