performance improvements (#8795)

* perf: nconf/winston/render

cache nconf.get calls
modify middleware.pageView to call next earlier
don't call winston.verbose on every hook see https://github.com/winstonjs/winston/issues/1669
translate header/footer separately and cache results for guests

* fix: copy paste fail

* refactor: style and fire hook only log in dev mode

* fix: cache key, header changes based on template

* perf: change replace

* fix: add missing await

* perf: category

* perf: lodash clone

* perf: remove escapeRegexChars

src/middleware/headers.js

@@ -100,7 +100,6 @@ module.exports = function (middleware) {
 		const defaultLang = meta.config.defaultLang || 'en-GB';
 		try {
 			const codes = await languages.listCodes();
-			winston.verbose('[middleware/autoLocale] Retrieves languages list for middleware');
 			return _.uniq([defaultLang, ...codes]);
 		} catch (err) {
 			winston.error('[middleware/autoLocale] Could not retrieve languages codes list! ' + err.stack);