Allow endEvent calls to happen at the appropriate time (even if on disposed PhetioObjects), see https://github.com/phetsims/energy-skate-park-basics/issues/415
Allow endEvent calls to happen at the appropriate time (even if on disposed PhetioObjects), see https://github.com/phetsims/energy-skate-park-basics/issues/415

phetsims/tandem,phetsims/tandem,phetsims/tandem