Show the streaming response correctly in Flipper
Show the streaming response correctly in Flipper

Summary: make Sonar network tab work nicely with GraphQL streaming response

Reviewed By: danielbuechele

Differential Revision: D12841335

fbshipit-source-id: efcae3428c42957cbce27d467180ccbc10dc2ae9

facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper