Add "open in web" link to detailed public status pages

app/assets/stylesheets/stream_entries.scss

@@ -302,6 +302,14 @@
       color: $color3;
     }
   }
+
+  .open-in-web-link {
+    text-decoration: none;
+
+    &:hover {
+      text-decoration: underline;
+    }
+  }
 }
 
 .embed {

app/views/stream_entries/_detailed_status.html.haml

@@ -44,3 +44,7 @@
     %span<
       = fa_icon('star')
       %span= status.favourites.count
+
+    - if user_signed_in?
+      ·
+      = link_to t('statuses.open_in_web'), web_url("statuses/#{status.id}"), class: 'open-in-web-link'