[rpc] sendrawtransaction no longer bypasses minRelayTxFee

The prioritisetransaction API can always be used if a transaction needs to be submitted that bypasses minRelayTxFee.

src/rpc/rawtransaction.cpp

@@ -891,7 +891,7 @@ UniValue sendrawtransaction(const JSONRPCRequest& request)
     CTransactionRef tx(MakeTransactionRef(std::move(mtx)));
     const uint256& hashTx = tx->GetHash();
 
-    bool fLimitFree = false;
+    bool fLimitFree = true;
     CAmount nMaxRawTxFee = maxTxFee;
     if (request.params.size() > 1 && request.params[1].get_bool())
         nMaxRawTxFee = 0;