Fix edge case where notice does not require scrollbar.

ui/app/components/notice.js

@@ -92,6 +92,7 @@ Notice.prototype.render = function () {
         },
       }, [
         h(ReactMarkdown, {
+          className: 'notice-box',
           source: body,
           skipHtml: true,
         }),
@@ -114,6 +115,8 @@ Notice.prototype.render = function () {
 Notice.prototype.componentDidMount = function () {
   var node = findDOMNode(this)
   linker.setupListener(node)
+  if (document.getElementsByClassName('notice-box')[0].clientHeight < 310) { this.setState({disclaimerDisabled: false}) }
+
 }
 
 Notice.prototype.componentWillUnmount = function () {