[FIX] product: recover a uom even when the default one is deleted
[FIX] product: recover a uom even when the default one is deleted

Delete the uom 'kg'(kilos, kilograms), open a product form view

Traceback will popup because the hardcoded xmlid cannot find the value
in the database since has been deleted. Adding a fallback fix the issue

opw-2194659

closes odoo/odoo#45265

X-original-commit: 62baf8ba12cdf4521c6d0d0fea61ff1aa2e3f4d8
Signed-off-by: Nicolas Martinelli (nim) <771435c469f83f6aa9c405ac5e1ed06314a94f2d@odoo.com>

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