Purpose of the task is, all users have access to activities and will
see "empty" icon on systray activity list and won't understand why it
doesn't show. so to favour majority user add the icon to sale module.
So in this commit added the icon to the sale moduel so we can see the
icon in the systray activity list.
closes odoo/odoo#55714
Taskid: 2312117
Closes: #55714
Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>
shivam shah
570e7c5972