Set notif dismiss default display to flex

customize.dist/src/less2/include/notifications.less

@@ -29,7 +29,7 @@
             .cp-notification-dismiss {
                 color: black;
                 width: 25px;
-                display: none;
+                display: flex;
                 align-items: center;
                 justify-content: center;
                 cursor: pointer;

www/common/notifications.js

@@ -94,8 +94,6 @@ define([
                 // add getters to access simply some informations
                 data.content.isClickable = typeof data.content.handler === "function";
                 data.content.isDismissible = typeof data.content.dismissHandler === "function";
-            } else {
-                // $(el).find('.cp-notification-dismiss').css('display', 'flex'); // XXX
             }
         },
         remove: function (common, data) {

www/common/sframe-common-mailbox.js

@@ -66,7 +66,6 @@ define([
                 var dismiss = h('div.cp-notification-dismiss', {
                     title: Messages.notifications_dismiss
                 }, dismissIcon);
-                $(dismiss).css('display', 'flex'); // XXX
                 $(dismiss).addClass("cp-clickable")
                     .click(data.content.dismissHandler);
                 $(notif).append(dismiss);