chore: disable locale detection (#10676)

apps/web/next.config.js

@@ -127,7 +127,10 @@ const matcherConfigUserTypeEmbedRoute = {
 
 /** @type {import("next").NextConfig} */
 const nextConfig = {
-  i18n,
+  i18n: {
+    ...i18n,
+    localeDetection: false,
+  },
   productionBrowserSourceMaps: true,
   /* We already do type check on GH actions */
   typescript: {