* = im_livechat, snailmail The model manager will now automatically add `isCausal: true` to inverse of identifying fields. This commit implements the feature and removes now unnecessary declarations of `isCausal: true` from the code. Task-2741402. closes odoo/odoo#100119 Related: odoo/enterprise#31290 Signed-off-by: Alexandre Kühn (aku) <aku@odoo.com>