thx @romain

thx @romain

erp5_web_renderjs_ui: html5_select: event option for notifyChange added. needs for determine event.type on parent gadget

i need it because use span for displaying icons in json form

Thanks to Vincent Bechu for his work on this topic.

Based on Abilian repository: https://github.com/abilian/pyodide-olapy

This reverts commit b3ff3ec4.

Fetch usage can be bypassed to do not use service worker when not needed.

As appcache has been dropped on Firefox, this change will improve the speed on Firefox.

No change is expected on Chrome/Safari.