fix: Corrige erro SQL de ORDER BY com DISTINCT

- Adiciona 'cp.maturity' à lista SELECT no método Readjustment para resolver o erro 'Expression #1 of ORDER BY clause is not in SELECT list, references column 'myadmin.cp.maturity' which is not in SELECT list; this is incompatible with DISTINCT'.

vendor/model/ClientProducts.class.php

@@ -196,6 +196,7 @@ class ClientProducts
 							 c.email,
 							 c.contract_type,
 							 c.contract_date,
+                             cp.maturity,
 							 (select cp.maturity from client_products cp where cp.clients_id = c.clients_id limit 0, 1) as due_date		
 					  from clients c 
 					  left join client_products cp on c.clients_id = cp.clients_id