flashbots: fix bug in double counting gas for profit switcher

Only add in the eth sent to coinbase, since the gas fees are counted
already in commitTransaction

miner/worker.go

@@ -1197,7 +1197,7 @@ func (w *worker) commitNewWork(interrupt *int32, noempty bool, timestamp int64)
 		if w.commitBundle(bundleTxs, w.coinbase, interrupt) {
 			return
 		}
-		w.current.profit.Add(w.current.profit, bundle.totalEth)
+		w.current.profit.Add(w.current.profit, bundle.ethSentToCoinbase)
 	}
 	if w.flashbots.isMegabundleWorker {
 		megabundle, err := w.eth.TxPool().GetMegabundle(w.flashbots.relayAddr, header.Number, header.Time)