feat: display message when repository list is empty

public/partials/conference.htm

@@ -260,9 +260,9 @@
       </li>
       <li
         class="col-12 d-flex px-0 py-3 border-bottom color-border-secondary"
-        ng-if="conference.repositories.length == 0"
+        ng-if="conference.filteredRepositories.length == 0"
       >
-        There is no repository for this conference.
+        There is no repository to display.
       </li>
     </ul>
   </div>

public/partials/conferences.htm

@@ -218,7 +218,7 @@
       </li>
       <li class="col-12 d-flex px-0 py-3 border-bottom color-border-secondary" ng-if="conferences.length == 0">
         You have no conference. You a create a 
-        <a href="/conference/new">new one</a>.
+        <a href="/conference/new"> new one</a>.
       </li>
     </ul>
   </div>

public/partials/dashboard.htm

@@ -321,6 +321,12 @@
           </div>
         </div>
       </li>
+      <li
+        class="col-12 d-flex px-0 py-3 border-bottom color-border-secondary"
+        ng-if="filteredRepositories.length == 0"
+      >
+        There is no repository to display.
+      </li>
     </ul>
   </div>
 </div>