fix(privacy banner): make banner aside use sticky position

src/components/privacy-banner/privacy-banner.jsx

@@ -45,7 +45,7 @@ class PrivacyBanner extends React.Component {
         const privacyPolicyLink = chunks => <a href="/privacy_policy">{chunks}</a>;
         if (showBanner) {
             return (
-                <aside>
+                <aside className="privacy-aside">
                     <TitleBanner className="privacy-banner">
                         <div className="privacy-banner-container">
                             <img

src/components/privacy-banner/privacy-banner.scss

@@ -1,6 +1,9 @@
 @import "../../colors";
 @import "../../frameless";
 
+.privacy-aside {
+    position: sticky;
+}
 
 .privacy-banner {
     display: flex;