RPC: Enable back json streaming for non-batch and non-websocket cases #4647
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Erigon has enalbed json streamin for some heavy endpoints (like trace_*). It's treadoff: greatly reduce amount of RAM (in some cases from 30GB to 30mb), but it produce invalid json format if error happened in the middle of streaming (because json is not streaming-friendly format)
We decided that value from this streaming is higher than handling "error happen in the middle" rare corner case. But added flag:
--rpc.streaming.disable
if users wish to pay for correctnesses or compatibility.