fix(admin-delegation-show): show delegations for all priorities

otherwise delegation only from the first priority array ara shown

Signed-off-by: Misha M.-Kupriyanov <kupriyanov@strato.de>

Author: printminion-co

apps/settings/lib/Command/AdminDelegation/Show.php

@@ -156,6 +156,6 @@ private function validateOutputFormat(string $format): bool {
 	 * @param array $innerSection
 	 */
 	private function getDelegatedSettings(array $settings, array $innerSection): array {
-		return $settings + array_filter($innerSection, fn (ISettings $setting) => $setting instanceof IDelegatedSettings);
+		return array_merge($settings, array_filter($innerSection, fn (ISettings $setting) => $setting instanceof IDelegatedSettings));
 	}
 }