Fix problem where managed backing fields in FieldDataManager were not processed during undo operations from data binding.
Fix problem where managed backing fields in FieldDataManager were not processed during undo operations from data binding.

jonnybee/csla,ronnymgm/csla-light,MarimerLLC/csla,MarimerLLC/csla,BrettJaner/csla,BrettJaner/csla,jonnybee/csla,ronnymgm/csla-light,ronnymgm/csla-light,JasonBock/csla,rockfordlhotka/csla,BrettJaner/csla,MarimerLLC/csla,JasonBock/csla,rockfordlhotka/csla,jonnybee/csla,rockfordlhotka/csla,JasonBock/csla