[FIX] survey: properly detect wrong token
[FIX] survey: properly detect wrong token

Was in old API
  user_input_obj.search(...)[0]
but the tr/except was not migrated

Introduced at 66cb880

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