After this commit, `colorField` is used instead of `cardColorField` to handle color change from the dropdown of cards in the kanban view. The value of `colorField` is observed in order to adapt the HTML classes of `oe_kanban_card` (first `DIV` of `o_kanban_record`) by adding/removing `oe_kanban_color_X` (where X is an index representing a color). opw-3823860 closes odoo/odoo#161645 Signed-off-by: Aaron Bohy (aab) <aab@odoo.com> Signed-off-by: Achraf Ben Azzouz (abz) <abz@odoo.com>