fix(explore): Fix downloading as image charts which use Mapbox (#13181)

* Fix downloading as image charts which use Mapbox

* Remove unused prop

* Bump deckgl version

superset-frontend/src/explore/components/ExploreChartPanel.jsx

@@ -241,7 +241,6 @@ const ExploreChartPanel = props => {
       addHistory={props.addHistory}
       can_overwrite={props.can_overwrite}
       can_download={props.can_download}
-      chartHeight={props.height}
       isStarred={props.isStarred}
       slice={props.slice}
       sliceName={props.sliceName}