RFR: 8264127: ListCell editing status is true, when index changes while editing [v5]

[Florian Kirmaier]

On Wed, 21 Apr 2021 14:25:53 GMT, Florian Kirmaier <fkirmaier at openjdk.org> wrote:

>> Fixing ListCell editing status is true, when index changes while editing.
>
> Florian Kirmaier has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8264127:
>   Small update to the tests and the fix

I've fixed the case similar as the fix in the TreeCell!

Option 2 for Keeping focus on -1 is also implemented (seems like it was done in the previous commit)

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

PR: https://git.openjdk.java.net/jfx/pull/441