One can edit the color of a tag in a Many2ManyTags field only in form view.
This commit refactors that field so that the standard field Component doesn't allow for it,
and conversely implements a specialization of the field that can, and should be
selected by the form view.
closesodoo/odoo#99499
Signed-off-by: Aaron Bohy (aab) <aab@odoo.com>