feat: Support exportRender option

Author: Seb33300

src/Jobs/DataTableExportJob.php

@@ -149,6 +149,10 @@ public function handle(): void
                 /** @var array|bool|int|string|null|DateTimeInterface $value */
                 $value = $row[$property] ?? '';
 
+                if (is_callable($column->exportRender)) {
+                    $value = call_user_func($column->exportRender, $value);
+                }
+
                 if (is_array($value)) {
                     $value = json_encode($value);
                 }