Update public/js/add_content.js

public/js/add_content.js

@@ -83,7 +83,7 @@ function addcontent(item) {
     }*/
     //-- debut
     var sdgProjectHTML = '';
-    if ('sdgImage' in item.item) {
+    if ('sdgImage' in item) {
     var sdgProjectLink = item.item.sdgImage;
     var customColor = '#8A2BE2';
     //var imageSize = '5px'; // Adjust this value to your desired size