avoid use getItems() — use model directly (our ListTableModel provides handy methods)
remove duplicated code — getSelection equals to getSelectedObject

+review
browser table — continue "default browser" usability improvements
support table decoration on IntelliJ laf
don't leak dom navigation targets from gutter icons (IDEA-103010)
Don't hide 3 or less "unused" items in "+" popup. Action text has been updated.