Fix page title for students

app/views/application/_breadcrumbs_and_title.html.slim

@@ -18,7 +18,6 @@
 
 - title = "#{active_action} - #{application_name}"
 - content_for :breadcrumbs do
-  - if current_user.try(:admin?) or current_user.try(:teacher?) && !@embed_options[:hide_navbar]
   .container
     ul.breadcrumb
       - if root_element.present?

app/views/layouts/application.html.slim

@@ -51,6 +51,7 @@ html lang='en'
               = render('session')
     div data-controller=controller_name
       = render('flash')
+      - if current_user.try(:admin?) or current_user.try(:teacher?) && !@embed_options[:hide_navbar]
         = yield(:breadcrumbs)
     - if (controller_name == "exercises" && action_name == "implement")
       .container-fluid