better exception

Co-authored-by: Ferdinand Thiessen <opensource@fthiessen.de>
Signed-off-by: Maxence Lange <maxence@artificial-owl.com>

Author: ArtificialOwl

lib/private/TemplateLayout.php

@@ -182,7 +182,7 @@ public function __construct($renderAs, $appId = '') {
 		// Set body data-theme
 		try {
 			$themesService = \OCP\Server::get(\OCA\Theming\Service\ThemesService::class);
-		} catch (\Exception) {
+		} catch (\OCP\AppFramework\QueryException) {
 			$themesService = null;
 		}
 		$this->assign('enabledThemes', $themesService?->getEnabledThemes() ?? []);