fixed minor bug when a file is saved without model selection: fit_panel
fixed minor bug when a file is saved without model selection: fit_panel

SasView/sasview,SasView/sasview,lewisodriscoll/sasview,lewisodriscoll/sasview,lewisodriscoll/sasview,SasView/sasview,lewisodriscoll/sasview,SasView/sasview,SasView/sasview,SasView/sasview,lewisodriscoll/sasview