* fix: dont try to filter by customer/supplier if None
* test: item query with emtpy supplier
(cherry picked from commit 41a95e5624)
Co-authored-by: Ankush Menat <ankush@frappe.io>
All new recent sites seem to have all UOMs as disabled by default. The
desired behaviour is exact opposite of this.
(cherry picked from commit 33aad4b950)