LTI: Fix call to templates - refs #2471

src/CoreBundle/Resources/views/Lti/admin_form.html.twig

@@ -1,4 +1,4 @@
-{% extends 'ChamiloCoreBundle:Layout:layout_one_col.html.twig' %}
+{% extends '@ChamiloCore/Layout/layout_one_col.html.twig' %}
 
 {% block content %}
     <section class="bg-white p-4">

src/CoreBundle/Resources/views/Lti/gradebook.html.twig

@@ -1,4 +1,4 @@
-{% extends 'ChamiloCoreBundle:Layout:layout_one_col.html.twig' %}
+{% extends '@ChamiloCore/Layout/layout_one_col.html.twig' %}
 
 {% block content %}
     {% autoescape false %}

src/CoreBundle/Resources/views/Lti/iframe.html.twig

@@ -1,4 +1,4 @@
-{% extends 'ChamiloCoreBundle:Layout:layout_one_col.html.twig' %}
+{% extends '@ChamiloCore/Layout/layout_one_col.html.twig' %}
 
 {% block content %}
     <section class="bg-white">

src/CoreBundle/Resources/views/Lti/item_return.html.twig

@@ -1,4 +1,4 @@
-{% extends 'ChamiloCoreBundle:Layout:blank.html.twig' %}
+{% extends '@ChamiloCore/Layout/blank.html.twig' %}
 
 {% block content %}
     <script>