RFR: 8187229: Tree/TableCell: cancel event must return correct editing location

[Jeanette Winzenburg]

On Mon, 5 Jul 2021 10:29:40 GMT, Jeanette Winzenburg <fastegal at openjdk.org> wrote:

> 
>     3. Please file a follow on bug and update the todo: in PR description.
> 

done - the follow-up is [JDK-8269871](https://bugs.openjdk.java.net/browse/JDK-8269871)

> I see that the fix of JDK-8269136 has its own separate code changes and tests. I see that you have combined it with this PR only due to the fact that the changes are smaller. 

removed that evaluation from the PR description, added the reasoning for inclusion (as outline in my previous comment) to [JDK-8269136](https://bugs.openjdk.java.net/browse/JDK-8269136)

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PR: https://git.openjdk.java.net/jfx/pull/561