[FIX] stock: show total routes label
[FIX] stock: show total routes label

On product categories, the `total_route_ids` field is shown without
label. This is confusing for end users since the same route seems to
appear twice.

opw-2173783

closes odoo/odoo#44821

X-original-commit: 91bc6464132d4525325cc7a376788b7226e1a723
Signed-off-by: Nicolas Martinelli (nim) <771435c469f83f6aa9c405ac5e1ed06314a94f2d@odoo.com>

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo