Fix form_ui form_ui :select for has_one associations, was broken by commit 0ef1021
Fix form_ui form_ui :select for has_one associations, was broken by commit 0ef1021

vhochstein/active_scaffold,woahdae/active_scaffold,vhochstein/active_scaffold,budree/active_scaffold,mallikarjunayaddala/active_scaffold,AlbertoBarrago/active_scaffold,silverpond/active_scaffold,nberger/active_scaffold,nberger/active_scaffold,mallikarjunayaddala/active_scaffold,silverpond/active_scaffold,asoltys/active_scaffold,AlbertoBarrago/active_scaffold,mallikarjunayaddala/active_scaffold,asoltys/active_scaffold,budree/active_scaffold,BookingBug/active_scaffold,vhochstein/active_scaffold,silverpond/active_scaffold,AlbertoBarrago/active_scaffold,activescaffold/active_scaffold_demo,activescaffold/active_scaffold,activescaffold/active_scaffold,activescaffold/active_scaffold_demo,BookingBug/active_scaffold,budree/active_scaffold,ajacksified/active_scaffold,ajacksified/active_scaffold,BookingBug/active_scaffold,activescaffold/active_scaffold,woahdae/active_scaffold