UX: title links to first post on expanded timeline

app/assets/javascripts/discourse/widgets/topic-timeline.js.es6

@@ -232,7 +232,11 @@ export default createWidget('topic-timeline', {
       if (attrs.mobileView) {
         titleHTML = new RawHtml({ html: `<span>${topic.get('fancyTitle')}</span>` });
       }
-      result.push(h('h3.title', titleHTML));
+      result.push(h('h3.title', this.attach('link', {
+        contents: ()=>titleHTML,
+        className: 'fancy-title',
+        action: 'jumpTop'
+      })));
     }
 
 

app/assets/stylesheets/common/topic-timeline.scss

@@ -67,6 +67,9 @@
         display: table-cell;
         vertical-align: top;
         line-height: 1.3em;
+        a {
+          color: $primary;
+        }
       }
       .timeline-last-read {
         right: 0px;