feat: hide subsequent sections based on activity script presence

Enhance the visibility control of sections by adding a check for
'script[data-activity-id]'. If a section contains such a script,
all following sections will be hidden to improve user focus and
interface clarity.

script.js

@@ -211,6 +211,13 @@
               $(currentScript).closest("li.section").attr("id")
             );
           });
+
+          sections.each(function (index) {
+            if ($(this).find('script[data-activity-id]').length > 0) {
+              // Hide all .section elements after this one
+              sections.slice(index + 1).css('visibility', 'hidden');
+            }
+          });
         })
     })
     .catch((error) => {