Merge pull request #8128 from hregis/5.0_bug

Fix: remove lines with special code when convert to reduc

htdocs/compta/facture.php

@@ -611,7 +611,7 @@ if (empty($reshook))
 			$i = 0;
 			foreach ($object->lines as $line)
 			{
-				if ($line->total_ht!=0)
+				if ($line->product_type < 9 && $line->total_ht != 0) // Remove lines with product_type greater than or equal to 9
 				{ 	// no need to create discount if amount is null
 					$amount_ht[$line->tva_tx] += $line->total_ht;
 					$amount_tva[$line->tva_tx] += $line->total_tva;