fix: ui issues

lms/www/courses/course.html

@@ -114,7 +114,9 @@
         </div>
 
         <div class="course-image-attachment {% if not course.image %} hide {% endif %} ">
-            <a href="{{ course.image }}" id="image" target="_blank"> {{ course.image }} </a>
+            <a {% if course.image %} href="{{ course.image }}" {% endif %} id="image" target="_blank">
+                {{ course.image }}
+            </a>
             <button class="btn btn-sm btn-default btn-clear ml-4"> {{ _("Clear") }} </button>
         </div>
         <a class="btn btn-default btn-sm btn-attach mt-1 {% if course.image %} hide {% endif %}"> {{ _("Attach Image") }} </a>

lms/www/courses/course.js

@@ -329,6 +329,7 @@ const add_tag = (e) => {
 const save_course = (e) => {
     let tags = $('.course-card-pills').map((i, el) => $(el).text().trim()).get();
     tags = tags.filter(word => word.trim().length > 0);
+
     frappe.call({
         method: "lms.lms.doctype.lms_course.lms_course.save_course",
         args: {