[TASK] Fixing queue filter. now considers default languages correctly

Classes/Domain/Repository/MailRepository.php

@@ -61,6 +61,7 @@ class MailRepository extends AbstractRepository {
 	 * @param int $limit
 	 * @param array $filters
 	 * @return array|QueryResultInterface
+	 * @throws \InvalidArgumentException
 	 * @throws \TYPO3\CMS\Extbase\Persistence\Exception\InvalidQueryException
 	 */
 	public function findAllEntries($pid = 0, $limit = NULL, array $filters = []) {
@@ -81,10 +82,17 @@ class MailRepository extends AbstractRepository {
 			$constraintsAnd[] = $query->equals('template_name', $filters['filterTemplate']);
 		}
 
-		if ($filters['filterLanguage'] && $filters['filterLanguage'] !== 0
-			&& $filters['filterLanguage'] !== '0' && $filters['filterLanguage'] !== ''
-		) {
-			$constraintsAnd[] = $query->equals('language', $filters['filterLanguage']);
+		// if this language is no in the sys lang table, then include it with the default lang
+		if ($filters['filterLanguage'] === 'default') {
+			foreach (BackendService::getLanguages() as $lang) {
+				$constraintsAnd[] = $query->logicalNot($query->equals('language', $lang['isocode']));
+			}
+		} else {
+			if ($filters['filterLanguage'] && $filters['filterLanguage'] !== 0
+				&& $filters['filterLanguage'] !== '0' && $filters['filterLanguage'] !== ''
+			) {
+				$constraintsAnd[] = $query->equals('language', $filters['filterLanguage']);
+			}
 		}
 
 		$constraintsOr = [];