Preload the translations for the current language (#16430)

Co-authored-by: Jakob Ackermann <jakob.ackermann@overleaf.com>
GitOrigin-RevId: c5500d0b7e8d0c99ed09751a35140a0b62182318

services/web/app/views/layout-base.pug

@@ -24,6 +24,9 @@ html(
 			each subdomainDetails in settings.i18n.subdomainLang
 				if !subdomainDetails.hide
 					link(rel="alternate", href=subdomainDetails.url+currentUrl, hreflang=subdomainDetails.lngCode)
+		
+		if (entrypoint !== 'marketing')
+			link(rel="preload", href=buildJsPath(currentLngCode + "-json.js"), as="script", nonce=scriptNonce)
 
 		//- Scripts
 		include _google_analytics