skip empty parts during clone and LIMS export

public/userarea/clone_parts_to_visible.php

@@ -31,6 +31,8 @@ try {
             SELECT id, part_number, part_description, mix, idmatrice, note, dateexpiry
             FROM identification_parts
             WHERE iddatadb = ?
+            AND part_description IS NOT NULL
+            AND TRIM(part_description) <> ''
             ORDER BY part_number ASC, id ASC
         ");
     $stmtParts->execute([$sourceIddatadb]);

public/userarea/export_to_lims.php

@@ -110,6 +110,8 @@ try {
         SELECT id AS part_id, part_number, part_description, material, color, mix, idmatrice, dateexpiry
         FROM identification_parts
         WHERE iddatadb = :iddatadb
+        AND part_description IS NOT NULL
+        AND TRIM(part_description) <> ''
         ORDER BY CAST(part_number AS UNSIGNED) ASC, part_number ASC
         ");
     $stmt->execute(['iddatadb' => $iddatadb]);