filemanage: sync tree on tab selection
filemanage: sync tree on tab selection

domruf/mockup,derFreitag/mockup,domruf/mockup,termitnjak/mockup,domruf/mockup,derFreitag/mockup,domruf/mockup,plone/mockup,plone/mockup,termitnjak/mockup,plone/mockup,derFreitag/mockup,termitnjak/mockup,termitnjak/mockup,derFreitag/mockup