mouseHighlightLayerable does not fall back to focusHighlightLayerable by default, see https://github.com/phetsims/scenery/issues/1274
mouseHighlightLayerable does not fall back to focusHighlightLayerable by default, see https://github.com/phetsims/scenery/issues/1274

phetsims/scenery,phetsims/scenery,phetsims/scenery