qmlui: do not show check box tooltip if no text is set
qmlui: do not show check box tooltip if no text is set

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