FIX: ensures admin menu is closing when choosing this action

FIX: ensures admin menu is closing when choosing this action

It was especially not working on android.

diff --git a/assets/javascripts/discourse/initializers/enable-user-notes.js.es6 b/assets/javascripts/discourse/initializers/enable-user-notes.js.es6
index adb6209..889e2e4 100644
--- a/assets/javascripts/discourse/initializers/enable-user-notes.js.es6
+++ b/assets/javascripts/discourse/initializers/enable-user-notes.js.es6
@@ -86,7 +86,8 @@ export default {
         return dec.attach("post-admin-menu-button", {
           icon: "pencil-alt",
           label: "user_notes.attach",
-          action: "showUserNotes"
+          action: "showUserNotes",
+          secondaryAction: "closeAdminMenu"
         });
       });
 

GitHub sha: 6e284b92