[FIX] hr_attendance: fix wrong widget being used

The smartbutton for the number of hours in the attendance smart button
on employees and user did not use the right widget and could display
invalid data like '1.8 hours last month'.

TaskId-

closes odoo/odoo#86247

X-original-commit: 230f9185
Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>
Signed-off-by: William Braeckman (wbr) <wbr@odoo.com>