[JavaFX] Migrate the Objective editor.
Tracing ticket. For a description of the task see the parent issue.
(from redmine: issue id 3442, created on 2018-06-11, closed on 2020-01-15)
- Relations:
- child #3443 (closed)
- child #3444 (closed)
- child #3445 (closed)
- parent #3434 (closed)