TimeSeries - LayerControl conflict: LayersControl's output is empty

From [mapbuilder-devel]

On Tue, Jul 8, 2008 at 3:29 PM, Stefano Menegon <menegon@mpasol.it> wrote:
> > Hi all,
> >
> > I think there is a conflict between LayersControl and TimeSeries.
> >
> > If the Context document contains the wmc:Extension tag (as using timeseries widget),
> > LayerControls expects a wmc:GroupList tag as child of wmc:Extension.
> > In this case wmc:GroupList dosen't exist, so LayersControl's output is empty!

patch in attachment: