use setExcludeLabelSiblingFromInput to prevent dispatching SceneryEvents from label sibling, see phetsims/gravity-force-lab#257 and phetsims/a11y-research#156
use setExcludeLabelSiblingFromInput to prevent dispatching SceneryEvents from label sibling, see phetsims/gravity-force-lab#257 and phetsims/a11y-research#156

phetsims/sun,phetsims/sun,phetsims/sun