fix: syntax in dialog storybook

addons/rose/addon/components/rose/dialog/index.stories.mdx

@@ -39,7 +39,7 @@ A dialog component with optional modal capabilities.
           'check-circle-outline': 'check-circle-outline',
           'copy-action': 'copy-action',
           'unfold-more': 'unfold-more',
-          'unfold-less': 'unfold-less',
+          'unfold-less': 'unfold-less'
         },
         'check-circle-outline'
       ),
@@ -49,9 +49,9 @@ A dialog component with optional modal capabilities.
           'default': '',
           'warning': 'warning'
         }
-      )
-      dismiss: action('dismiss'),
-    },
+      ),
+      dismiss: action('dismiss')
+    }
   }}</Story>
 </Preview>