fetchQuery for refetchable fragments doesn't use cache

I am using `relay-experimental` with refetchable fragments and imperatively calling `fetchQuery` as described here in the [`docs`](https://relay.dev/docs/en/a-guided-tour-of-relay#refreshing-fragments).

The problem is that it will refetch data even when the variables are the same, never actually hitting the cache. Also the data that gets back after a refetch is never displayed, so the component will only display the initial data that comes from `useFragment`.

I would gladly use `useRefetchableFragment` with `useTransition`, but unfortunately we are stuck in the blocking mode and can't use `useTransition` yet, so `fetchQuery` with manually subscribing to state transitions was my only hope. Really appreciate any help on this issue!