[FIX] web, web_editor: disable horizontal scroll when dragging snippet

This commit adds an option to disable horizontal scrolling in the
smoothScrollOnDrag feature options and use it when dragging and
dropping a snippet into the editor to prevent the wrapwrap from
scrolling horizontally when an element overflow the page (e.g. an
animated element).

task-2215118

closes odoo/odoo#74069

Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>