fix: course details link preview

lms/www/courses/course.html

@@ -352,8 +352,3 @@
 </div>
 {% endmacro %}
 
-
-{%- block script %}
-    {{ super() }}
-    {{ include_script('controls.bundle.js') }}
-{% endblock %}

lms/www/courses/course.py

@@ -69,7 +69,7 @@ def set_course_context(context, course_name):
 		course.edit_mode = True
 
 	if course is None:
-		redirect_to_courses_list()
+		raise frappe.PermissionError(_("This is not a valid course URL."))
 
 	related_courses = frappe.get_all(
 		"Related Courses", {"parent": course.name}, ["course"]

lms/www/courses/create.html

@@ -23,7 +23,7 @@
             <div class="align-self-center">
                 {% if course.name %}
                 <a class="btn btn-default btn-sm mr-2" href="/courses/{{ course.name }}">
-                    {{ _("Preview") }}
+                    {{ _("Back to Course") }}
                 </a>
 
                 <a class="btn btn-default btn-sm mr-2" href="/courses/{{ course.name }}/outline">