feat: Invoice getPaymentData as alias for getPaymentDataEntry

src/QUI/ERP/Accounting/Invoice/Invoice.php

@@ -382,6 +382,16 @@ public function getPaymentDataEntry(string $key)
         return null;
     }
 
+    /**
+     * ALIAS for $this->getPaymentDataEntry to be consistent with InvoiceTemporary.
+     *
+     * @param string $key
+     * @return mixed|null
+     */
+    public function getPaymentData(string $key) {
+        return $this->getPaymentDataEntry($key);
+    }
+
     /**
      * can a refund be made?
      *