[jfx20] RFR: 8304359: Create release notes for JavaFX 20 [v4]

[Kevin Rushforth]

On Fri, 17 Mar 2023 16:35:07 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> doc-files/release-notes-20.md line 123:
>> 
>>> 121: [JDK-8292922](https://bugs.openjdk.org/browse/JDK-8292922) | [Linux] No more drag events when new Stage is created in drag handler | window-toolkit
>>> 122: [JDK-8296621](https://bugs.openjdk.org/browse/JDK-8296621) | Stage steals focus on scene change | window-toolkit
>>> 123: [JDK-8296654](https://bugs.openjdk.org/browse/JDK-8296654) | [macos] Crash when launching JavaFX app with JDK that targets SDK 13 | window-toolkit
>> 
>> In the previous release notes, `|` was not wrapped in white-spaces. This has no side-effect to the final markdown, but I would like to know the preferred styling.
>
> Ah, I see that now. Actually, we were inconsistent: the security bugs table is surrounded by white space, but the rest were not. I can fix that to match what we did previously.

I removed the extra space in all places (even the security bugs section)

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PR: https://git.openjdk.org/jfx/pull/1060