Add inteceptor logging around GraphQL errors

What does this MR do and why?

This MR adds logging around intercepted GraphQL errors when they come back in 200 OK responses. This will help in debugging async GraphQL calls that are failed.

It is done by:

• cloning the fetch response
• checking if the fetch request was against /api/graphql
• awaiting the json body and logging it
• returning the original fetch response.

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