Use change event to be sure that file is loaded before the function

Click event can trigger the script before the user choose the file, so it will be loader on the next
Open SVG click. Change event trigger the script after the user choose the file.

editor/xdomain-svgedit-config-iife.js

@@ -36368,7 +36368,7 @@
       workarea[0].addEventListener('dragover', onDragOver);
       workarea[0].addEventListener('dragleave', onDragLeave);
       workarea[0].addEventListener('drop', importImage);
-      var open = $$b('<input type="file">').click(
+      var open = $$b('<input type="file">').change(
       /*#__PURE__*/
       _asyncToGenerator(
       /*#__PURE__*/