Merge pull request #16641 from mikix/mikix/button-a11y

Fix focus loss when bookmarking a page in IE

openedx/features/course_bookmarks/static/course_bookmarks/js/views/bookmark_button.js

@@ -58,6 +58,7 @@
                         },
                         complete: function() {
                             view.$el.prop('disabled', false);
+                            view.$el.focus();
                         }
                     });
                 },
@@ -78,6 +79,7 @@
                         },
                         complete: function() {
                             view.$el.prop('disabled', false);
+                            view.$el.focus();
                         }
                     });
                 },