fix(routes): Don't let preflightedCors route eat requests greedily

Signed-off-by: Marcel Klehr <mklehr@gmx.net>

Author: marcelklehr

appinfo/routes.php

@@ -159,6 +159,14 @@ private function toExternalFolderId(int $internal): int {
 		return $internal;
 	}
 
+	#[Http\Attribute\NoAdminRequired]
+	#[Http\Attribute\NoCSRFRequired]
+	#[Http\Attribute\PublicPage]
+	#[Http\Attribute\FrontpageRoute(verb: 'OPTIONS', url: '/public/rest/v2/{path}', requirements: ['path' => '.+'])]
+	public function preflightedCors() {
+		return parent::preflightedCors();
+	}
+
 	/**
 	 * @return JSONResponse
 	 * @throws UnauthenticatedError