fix: lti-configuration-datails visibility logic

Author: rpenido

lti_consumer/static/js/xblock_studio_view.js

@@ -78,7 +78,7 @@ function LtiConsumerXBlockInitStudio(runtime, element, data) {
       if (data.EXTERNAL_MULTIPLE_LAUNCH_URLS_ENABLED) {
         // Conditionally show the LTI 1.3 launch URL field if external multiple launch URLs are enabled.
         toggleFieldVisibility("lti_1p3_launch_url", true);
-        $(element).find(".field-group-lti-configuration-details.l1p3").addClass("hidden");
+        $(element).find(".field-group-lti-configuration-details.l1p3").removeClass("hidden");
       } else {
         toggleFieldVisibility("lti_1p3_launch_url", false);
         // Also hides the field-group-lti-configuration-details as it is empty in this case