[DSFR 1.11.1] Add class on accordion group

I'm not sure to understand well the backlog, do we need to set to false if it's accordion group or not

Do we really need to add .setAttribute('data-fr-group', 'false') in the template, or is it something managed by the JavaScript ?

The upstream issue is not clear about this change: https://github.com/GouvernementFR/dsfr/pull/860/files
And the up-to-date documentation is silent about this: https://www.systeme-de-design.gouv.fr/composants-et-modeles/composants/a...

I would prefer to do nothing instead of introducing a change we don't understand. What do you think?

hello I did a test

  "name": "npm-asset/gouvfr--dsfr",
            "version": "1.11.2",

The markup seems have not this attributes group or not grouped accordion

My thoughts after testing.

- Not passing data-fr-group is the same as passing data-fr-group="true".
- As shown in the demo page, the default behavior is "all accordions are grouped".
- We need to explicitly add data-fr-group="false" if we want to dissociate the accordions.

I prefer Sorya proposal because we can chose if grouped or not.

Also, we can replace:

    {% for accordion in accordions %}
      {{ accordion }}
    {% endfor %}

by : {{ accordions }}

I will test locally.