allow subscriptions to projects when items in project groups list are expanded

Story: 2000545
Task: 2911

Change-Id: I84a0fc3bd8f18df87a505dc82df0a00863f1b9a5
Signed-off-by: Ankita Bansal <ankitabansal2798@gmail.com>

src/app/search/template/project_group_search_item.html

@@ -40,6 +40,14 @@
                 <a href="#!/project/{{project.name}}">
                     {{project.name}}
                 </a>
+                <small ng-show="isLoggedIn">
+                    <subscribe class="pull-left"
+                           resource="project"
+                           resource-id="project.id"
+                           subscriptions="projectSubscriptions"
+                    >
+                    </subscribe>
+                </small>
             </td>
         </tr>
         </tbody>

src/theme/base/_layout.scss

@@ -21,4 +21,8 @@
 
 .indented {
   padding: 0px 15px;
+}
+
+table subscribe{
+  margin: 2px;
 }