FIX: course enrollment search, FIX: hidden tabs on instructor dashboard

common/djangoapps/student/admin.py

@@ -155,7 +155,7 @@ class CourseEnrollmentAdmin(admin.ModelAdmin):
     list_display = ('id', 'course_id', 'mode', 'user', 'is_active',)
     list_filter = ('mode', 'is_active',)
     raw_id_fields = ('user',)
-    search_fields = ('course_id', 'mode', 'user__username',)
+    search_fields = ('course__id', 'mode', 'user__username',)
 
     def queryset(self, request):
         return super(CourseEnrollmentAdmin, self).queryset(request).select_related('user')

lms/templates/instructor/instructor_dashboard_2/instructor_dashboard_2.html

@@ -123,7 +123,9 @@ from openedx.core.djangolib.markup import HTML
             <% is_hidden = section_data.get('is_hidden', False) %>
             ## This is necessary so we don't scrape 'section_display_name' as a string.
             <% dname = section_data['section_display_name'] %>
+            % if not is_hidden:
               <li class="nav-item"><button type="button" class="btn-link ${ section_data['section_key'] }${' hidden' if is_hidden else ''}" data-section="${ section_data['section_key'] }">${_(dname)}</button></li>
+            % endif
           % endfor
         </ul>