RFR: JDK-8269921 Text in Textflow and listeners on bounds can cause endless loop/crash and other performance issues

[Florian Kirmaier]

Hi everyone,

I've developed a fix for an exception in the MultipleSelectionModel.
Can someone look into it?
https://github.com/openjdk/jfx/pull/564

Greetings Florian Kirmaier