Make new account modal close as clickable button (#492)

Co-authored-by: Sriram Krishnan <sriram@seafoodsouq.com>

app/javascript/controllers/modal_controller.js

@@ -13,4 +13,8 @@ export default class extends Controller {
       this.element.close();
     }
   }
+
+  close() {
+    this.element.close();
+  }
 }