Merge pull request #752 from leibowitz/fix-prevent-default

fix: check if event is cancelable before calling preventDefault

src/SortableContainer/index.js

@@ -449,7 +449,7 @@ export default function sortableContainer(
       const {onSortMove} = this.props;
 
       // Prevent scrolling on mobile
-      if (typeof event.preventDefault === 'function') {
+      if (typeof event.preventDefault === 'function' && event.cancelable) {
         event.preventDefault();
       }