better handling for play/pause and energy chunk preloading, see https://github.com/phetsims/energy-forms-and-changes/issues/347
better handling for play/pause and energy chunk preloading, see https://github.com/phetsims/energy-forms-and-changes/issues/347

phetsims/energy-forms-and-changes,phetsims/energy-forms-and-changes,phetsims/energy-forms-and-changes