Revert "ZODB Components: Non-core bt5 with 'Document Component' overriding standard ERP5 Document must create its own version_priority."

This reverts commit ee686cac.

Revert "ZODB Components: When migrating FS Mixin, set the ZODB Component reference to the class name (like Interfaces)."

This reverts commit 2b8c6305.

This reverts commit 937500a1.

Revert "ZODB Components: Resetting Portal Type classes was also clearing Interfaces of erp5.component.* modules."

This reverts commit f1f415a3.

Ensure that user automatically uses the latest code without manually refreshing the page.

Global are deleted when the worker is stopped, which make the current fetch code less interesting...

Waiting for all clients to be closed before activating the new service worker is not usable, as it will lead to user keeping the old code.
Drop the logic for now.

Fetch the list of precache url dynamically in order to decouple the worker code from the list of files.

Calculate dynamically the list of files from a python script, depending on the web site configuration.

Update the service worker as soon as the web site modification date changes.
This (I hope) will simplify ERP5 upgrade handling.

See nexedi/erp5@2e3f7a8a

Disable the action, as the gadget is broken

This reverts commit 3bea5dc5.

Drop base tag, because it will probably break all erp5js forks, which hardcode url strings