This commit will make a `willDrag` information available to the draggable_hook_builder context. This is needed to fix a resize issue in the gantt view. See correlated enterprise pull request. closes odoo/odoo#161670 X-original-commit: 53254591c4a6a31483f409aa2fa072ac2ed0b3db Related: odoo/enterprise#60623 Signed-off-by: Bruno Boi (boi) <boi@odoo.com> Signed-off-by: Mathieu Duckerts-Antoine (dam) <dam@odoo.com>