RFR: 8335547: Support multi-line prompt text for TextArea

[Michael Strauß]

On Wed, 19 Feb 2025 16:50:02 GMT, Ziad El Midaoui <zelmidaoui at openjdk.org> wrote:

> Added multi line prompt support for TextArea this will provide the ability to have multiple lines in textArea as expected,
> Also fixed tests to meet the new changes

I think that we should treat all _usual_ line separators in the same way (that is, `\n`, `\r`, and `\r\n`), as I don’t know if we have a specification that only one kind of line separator visually breaks lines in JavaFX.

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PR Comment: https://git.openjdk.org/jfx/pull/1716#issuecomment-2742415030