MBS-13804: Show review links as such on sidebar

Similarly as with blog and homepage, this shows all review rels
as such regardless of what the URL is, rather than showing, say, YouTube
links as "Play on YouTube".

root/layout/components/ExternalLinks.js

@@ -119,6 +119,17 @@ component ExternalLinks(
           url={target}
         />,
       );
+    } else if (/^review$/.test(linkType.name)) {
+      blogLinks.push(
+        <ExternalLink
+          className="review-favicon"
+          editsPending={relationship.editsPending}
+          entityCredit={entityCredit}
+          key={relationship.id}
+          text={l('Review')}
+          url={target}
+        />,
+      );
     } else if (target.show_in_external_links /*:: === true */) {
       otherLinks.push({
         editsPending: relationship.editsPending,

root/static/images/attribution.txt

@@ -77,6 +77,7 @@ Images:
 
     external-favicons/home-32.png (original: https://www.iconfinder.com/icons/42257/about_icon)
     external-favicons/blog-32.png (original: https://www.iconfinder.com/icons/42282/notepad_icon)
+    external-favicons/review-32.png (original: https://www.iconfinder.com/icons/42347/line_spechbubble_sq_icon)
 
 ----------------------------------------------------------------------------
 

root/static/scripts/edit/externalLinks.js

@@ -1460,7 +1460,20 @@ export class ExternalLink extends React.Component<LinkProps> {
         if (isBlog) {
           faviconClass = 'blog';
         } else {
-          faviconClass = 'no';
+          const isReview = props.relationships.some(link => {
+            const linkType = link.type
+              ? linkedEntities.link_type[link.type]
+              : null;
+            if (linkType) {
+              return /^review$/.test(linkType.name);
+            }
+            return false;
+          });
+          if (isReview) {
+            faviconClass = 'review';
+          } else {
+            faviconClass = 'no';
+          }
         }
       }
     }

root/static/styles/favicons.less

@@ -12,6 +12,7 @@
 
 .favicon("home", 32);
 .favicon("blog", 32);
+.favicon("review", 32);
 
 .favicon("allmusic");
 .favicon("amazon", 32);