Merge pull request #558 from SVG-Edit/issues/554

#554 Clicking on OK in the Export Image Dialog launch the action but …

src/editor/dialogs/exportDialog.js

@@ -188,6 +188,7 @@ export class SeExportDialog extends HTMLElement {
           quality: this.value
         } });
         this.dispatchEvent(triggerEvent);
+        document.getElementById('se-export-dialog').setAttribute('dialog', 'close');
       }
     };
     const onChangeHandler = (e) => {