feat(stock): add company field to Bin with migration patch

erpnext/patches/v16_0/update_company_custom_field_in_bin.py

@@ -0,0 +1,14 @@
+import frappe
+
+
+def execute():
+	frappe.reload_doc("stock", "doctype", "bin")
+
+	frappe.db.sql(
+		"""
+        UPDATE `tabBin` b
+        INNER JOIN `tabWarehouse` w ON b.warehouse = w.name
+        SET b.company = w.company
+        WHERE b.company IS NULL OR b.company = ''
+    """
+	)