Field required indication on label instead of group

[MartinWeb]

When an input has the required classModifier, it adds an asterix next to the label to tell that the field is required.
Right now, this is handled with the className of the group who englobes the label.

Unfortunately this can lead to some problems when a ancestor in the DOM has that required property and in term put some input as required (visually) when they are not supposed to.

Exemple :