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45e4e60fd6
Currently, it's impossible to cache (detach/attach) parent route without caching child routes. This produces a bug, when navigating from a/b to c, then to a/d, where a route is cached. On the last navigation, we incorrectly restore a/b route instead of a/d. This change introduces new behavior: if the route should be detached/attached, we do so, but we check also child routes recursively. Fixes #17333 PR Close #43791