Fixed page breaking if cookie is missing.

src/web/server.js

@@ -60,12 +60,14 @@ export default async function initServer() {
 	router.use('/media', express.static(config.media.path));
 
 	router.use((req, res, next) => {
+		if (req.headers.cookie) {
 			const cookies = cookie.parse(req.headers.cookie);
 
 			/* eslint-disable no-param-reassign */
 			req.cookies = cookies;
 			req.tagFilter = cookies.tags ? JSON.parse(cookies.tags) : [];
 			/* eslint-enable no-param-reassign */
+		}
 
 		next();
 	});