notif clear: choreography

.config/ags/modules/.configuration/user_options.js

@@ -12,6 +12,7 @@ let configOptions = {
         'writingCursor': " ...", // Warning: Using weird characters can mess up Markdown rendering
     },
     'animations': {
+        'choreographyDelay': 35,
         'durationSmall': 110,
         'durationLarge': 180,
     },

.config/ags/modules/sideright/centermodules/notificationlist.js

@@ -102,7 +102,11 @@ export default (props) => {
         }),
         child: ListActionButton('clear_all', 'Clear', () => {
             Notifications.clear();
-            notificationList.get_children().forEach(ch => ch.attribute.destroyWithAnims())
+            const kids = notificationList.get_children();
+            for (let i = 0; i < kids.length; i++) {
+                const kid = kids[i];
+                Utils.timeout(userOptions.animations.choreographyDelay * i, () => kid.attribute.destroyWithAnims());
+            }
         })
     })
     const notifCount = Label({