List sample: remove height specification for ViewStack now that ViewStack's theme sets height:100%
List sample: remove height specification for ViewStack now that ViewStack's theme sets height:100%

brunano21/deliteful,EAlexRojas/deliteful,cjolif/deliteful,tkrugg/deliteful,cjolif/deliteful,kitsonk/deliteful,brunano21/deliteful,kitsonk/deliteful,EAlexRojas/deliteful,tkrugg/deliteful,harbalk/deliteful,harbalk/deliteful