qmlui: fix wrong return value in workspace load
qmlui: fix wrong return value in workspace load

mcallegari/qlcplus,sbenejam/qlcplus,mcallegari/qlcplus,plugz/qlcplus,sbenejam/qlcplus,kripton/qlcplus,mcallegari/qlcplus,kripton/qlcplus,sbenejam/qlcplus,plugz/qlcplus,mcallegari/qlcplus,mcallegari/qlcplus,plugz/qlcplus,sbenejam/qlcplus,plugz/qlcplus,kripton/qlcplus,sbenejam/qlcplus,sbenejam/qlcplus,sbenejam/qlcplus,plugz/qlcplus,mcallegari/qlcplus,kripton/qlcplus,kripton/qlcplus,mcallegari/qlcplus,kripton/qlcplus,plugz/qlcplus,kripton/qlcplus,plugz/qlcplus