ENYO-3082: cosmetic
ENYO-3082: removed obsolete method
ENYO-3082: defer callback invocation (zalgo)
ENYO-3082: revert to using FileChooser event instead of callback
ENYO-3082: Revert "ENYO-3082: Can now use a callback with FileChooser"

This reverts commit a0645d2d17dd2ff4cb57372f7e8a98ad279eb444.
ENYO-3082: always call next
ENYO-3082: cosmetics and comments