fix: unwrap list values from bricks code lookups (supplier_id was ['x','x']) before sor.C

wwwroot/api/supply_contracts_create.dspy

@@ -3,6 +3,11 @@ ns = params_kw.copy()
 for k,v in ns.items():
 	if v == 'NaN' or v == 'null':
 		ns[k] = None
+# Fix list values (bricks may send arrays from code lookups)
+for k in list(ns.keys()):
+	v = ns[k]
+	if isinstance(v, list) and len(v) > 0:
+		ns[k] = v[0]
 id = params_kw.id
 if not id or len(id) > 32:
 	id = getID()