[BUGFIX] Fix default for tx_sgjobs_pagebrowser

Classes/Controller/JoblistController.php

@@ -195,7 +195,7 @@ class JoblistController extends ActionController {
 	 */
 	public function initializeIndexAction(): void {
 		$currentPageBrowserPage = 0;
-		$parameters = $this->request->getQueryParams()['tx_sgjobs_pagebrowser'];
+		$parameters = $this->request->getQueryParams()['tx_sgjobs_pagebrowser'] ?? 0;
 		if (is_array($parameters)) {
 			$currentPageBrowserPage = (int) $parameters['currentPage'] ?: 0;
 		}