fix(taiko-geth): fix a mempool fetch issue (taikoxyz#333)

miner/taiko_worker.go

@@ -294,10 +294,6 @@ loop:
 			txs.Shift()
 
 		case errors.Is(err, nil):
-			// Everything ok, collect the logs and shift in the next transaction from the same account
-			env.tcount++
-			txs.Shift()
-
 			data, err := rlp.EncodeToBytes(env.txs)
 			if err != nil {
 				log.Trace("Failed to rlp encode the pending transaction %s: %w", tx.Hash(), err)
@@ -321,6 +317,10 @@ loop:
 				}
 			}
 
+			// Everything ok, collect the logs and shift in the next transaction from the same account
+			env.tcount++
+			txs.Shift()
+
 		default:
 			// Transaction is regarded as invalid, drop all consecutive transactions from
 			// the same sender because of `nonce-too-high` clause.