Hhmi accessibility

wax-prosemirror-core/src/config/defaultServices/CorePluginsService/CorePluginsService.js

+import Service from '../../../Service';
+import FakeCursorPlugin from '../../plugins/FakeCursorPlugin';
+
+export default class CorePluginsService extends Service {
+  boot() {
+    this.app.PmPlugins.add(
+      'fakeCursorPlugin',
+      FakeCursorPlugin('fakeCursorPlugin'),
+    );
+  }
+}