Fix networkStatus incorrectly reported as ready when using errorPolicy: 'all' with errors

[jerelmiller]

Fixes #12334

When calling observableQuery.getCurrentResult() when the errorPolicy was set to all, the networkStatus was incorrectly reporting the value as NetworkStatus.ready when there were errors returned in the result. This has now been corrected to return as NetworkStatus.error to match the value emitted from the observable.

This bug also affected useQuery and useLazyQuery since useQuery uses getCurrentResult under the hood.

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size-limit report 📦

Path	Size
dist/apollo-client.min.cjs	41.26 KB (+0.05% 🔺)
import { ApolloClient, InMemoryCache, HttpLink } from "dist/main.cjs"	50.7 KB (+0.03% 🔺)
import { ApolloClient, InMemoryCache, HttpLink } from "dist/main.cjs" (production)	47.78 KB (+0.04% 🔺)
import { ApolloClient, InMemoryCache, HttpLink } from "dist/index.js"	36.26 KB (+0.04% 🔺)
import { ApolloClient, InMemoryCache, HttpLink } from "dist/index.js" (production)	33.65 KB (+0.05% 🔺)
import { ApolloProvider } from "dist/react/index.js"	1.26 KB (0%)
import { ApolloProvider } from "dist/react/index.js" (production)	1.24 KB (0%)
import { useQuery } from "dist/react/index.js"	5.21 KB (0%)
import { useQuery } from "dist/react/index.js" (production)	4.29 KB (0%)
import { useLazyQuery } from "dist/react/index.js"	5.7 KB (0%)
import { useLazyQuery } from "dist/react/index.js" (production)	4.78 KB (0%)
import { useMutation } from "dist/react/index.js"	3.62 KB (0%)
import { useMutation } from "dist/react/index.js" (production)	2.84 KB (0%)
import { useSubscription } from "dist/react/index.js"	4.42 KB (0%)
import { useSubscription } from "dist/react/index.js" (production)	3.48 KB (0%)
import { useSuspenseQuery } from "dist/react/index.js"	5.88 KB (0%)
import { useSuspenseQuery } from "dist/react/index.js" (production)	4.54 KB (0%)
import { useBackgroundQuery } from "dist/react/index.js"	5.37 KB (0%)
import { useBackgroundQuery } from "dist/react/index.js" (production)	4.03 KB (0%)
import { useLoadableQuery } from "dist/react/index.js"	5.45 KB (0%)
import { useLoadableQuery } from "dist/react/index.js" (production)	4.11 KB (0%)
import { useReadQuery } from "dist/react/index.js"	3.42 KB (0%)
import { useReadQuery } from "dist/react/index.js" (production)	3.36 KB (0%)
import { useFragment } from "dist/react/index.js"	2.36 KB (0%)
import { useFragment } from "dist/react/index.js" (production)	2.31 KB (0%)

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[jerelmiller]

This networkStatus might actually be legitimate since this is the loading state from the execute call. Looks like we just hold onto the error until the next request returns.

That said, its curious that we hold onto error here. In other cases (such as refetch) this error is reset until the next result comes back. This is different since we are calling execute again though which just re-evaluates the query against the fetch policy.

Should we be removing the error on this result in this case, or should we continue to handle this as-is? I think the loading state is the correct one here either way.