fix(contract-template): fix a bug where contract template where not using the productor max cheque quantity

backend/tests/services/test_contracts_service.py

@@ -0,0 +1,10 @@
+class TestContractsService:
+    def test_get_all_contracts(
+        self,
+    ):
+        pass
+
+    def test_get_all_filtered_contracts(
+        self,
+    ):
+        pass