use fee-estimate function to calculate min_fee

src/wallet/wallet2.cpp

@@ -8533,7 +8533,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
   // early out if we know we can't make it anyway
   // we could also check for being within FEE_PER_KB, but if the fee calculation
   // ever changes, this might be missed, so let this go through
-  const uint64_t min_fee = (fee_multiplier * base_fee * estimate_tx_size(use_rct, 1, fake_outs_count, 2, extra.size(), bulletproof));
+  const uint64_t min_fee = estimate_fee(use_per_byte_fee, use_rct, 1, fake_outs_count, 2, extra.size(), bulletproof, base_fee, fee_multiplier, fee_quantization_mask);
   uint64_t balance_subtotal = 0;
   uint64_t unlocked_balance_subtotal = 0;
   for (uint32_t index_minor : subaddr_indices)