message: Pass widget data through from sticker picker
  This allows for sticker pickers to have custom template variables.
  Fixes
diff: @@ -246,6 +246,7 @@ export default class Stickerpicker extends React.Component {
  url: stickerpickerWidget.content.url,
  name: stickerpickerWidget.content.name,
  type: stickerpickerWidget.content.type,
  + data: stickerpickerWidget.content.data,
  };
  stickersContent = (
  