RFR: 8348736: RichTextArea Follow-up 2

[Kevin Rushforth]

On Mon, 27 Jan 2025 22:10:18 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

> Fixes minor issues uncovered while writing API tests #1677:
> 
> - StyledTextModel::clamp L559 is incorrect at the end of paragraph
> - CodeArea.getText() adds extra newline at the end
> 
> This change should be back-ported to jfx24.

I'll review this. We need one other review, too. I'd rather see a more specific bug title if you can come up with something meaningful.

-------------

PR Comment: https://git.openjdk.org/jfx/pull/1684#issuecomment-2617265681