Fix IO-2537

Signed-off-by: Dave Richer <dave@imexsystems.ca>

client/src/components/document-editor/document-editor.component.jsx

@@ -62,7 +62,8 @@ export function DocumentEditorComponent({ currentUser, bodyshop, document }) {
       // attach an event handler to assign annotated image back to our image element
       markerArea.current.addEventListener("close", (closeEvent) => {});
       
-      markerArea.current.addEventListener("render", (dataUrl) => {
+      markerArea.current.addEventListener("render", (event) => {
+        const dataUrl = event.dataUrl;
         imgRef.current.src = dataUrl;
         markerArea.current.close();
         triggerUpload(dataUrl);