Fix https://github.com/iou90/react-native-autoheight-webview/pull/148

autoHeightWebView/index.js

         return;
       }
       const { height, width, zoomedin } = data;
-      !scrollEnabled && scrollEnabledWithZoomedin && setScrollable(zoomedin);
+      !scrollEnabled && scrollEnabledWithZoomedin && setScrollable(!!zoomedin);
       const { height: previousHeight, width: previousWidth } = size;
       isSizeChanged({ height, previousHeight, width, previousWidth }) &&
         setSize({