Swallow locale mutation rejections after the toast, close the
mobile drawer on locale change, escape SEO paths, share the
IAM locale list with SEO, and finish dropping /trust leftovers.
Signed-off-by: Émile Ré <emile@probo.com>
Path-segment locales make each language crawlable with self
canonical and hreflang, while identity.locale persists an
explicit choice without client storage or cookie banners.
Signed-off-by: Émile Ré <emile@probo.com>