Before this commit, when a snippet was moved, and dropped outside of a dropzone, the nearest dropzone was not found and the snippet would return to its initial position. This commit fixes it by using the editable document instead of the global one. Related to https://github.com/odoo/odoo/commit/31cc10b91dc7762e23b4bde9b945be0c4ce3fe3b task-2687506 closes odoo/odoo#96401 Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>