a questions: resizeColumnsToFitContent in nodes.k...

# tornadofx

[tieskedh]

a questions:
resizeColumnsToFitContent in nodes.kt has two implementations, is there a reason for, and if not, which has preference

A remark:
I think I found the bug in smartResize that makes it slow: I believe the instanceCheck in isPolicyInstalled for treeTable is wrong.