4123: JavaFX tree view improvements

Issue-Ref: 4123 Issue-Url: af3#4123 (closed)

Signed-off-by: Simon Barner barner@fortiss.org

org.fortiss.tooling.base.ui/src/org/fortiss/tooling/base/ui/javafx/control/treetableview/.ratings

 DynamicTreeTableNameProvider.java 3ca45f24b94e97b02313e80b16ba8b370f541541 GREEN
-ModelElementTreeViewer.java b541376d1b21d38dec80ae6dd5357fe289dcb643 GREEN
+ModelElementTreeViewer.java c27c57ae21b32de790c6fb5a86695dd5952fcf32 YELLOW