wallet: AvailableCoins, add arg to include/skip locked coins

src/wallet/spend.cpp

@@ -275,7 +275,7 @@ CoinsResult AvailableCoins(const CWallet& wallet,
             if (coinControl && coinControl->HasSelected() && coinControl->IsSelected(outpoint))
                 continue;
 
-            if (wallet.IsLockedCoin(outpoint))
+            if (wallet.IsLockedCoin(outpoint) && params.skip_locked)
                 continue;
 
             if (wallet.IsSpent(outpoint))

src/wallet/spend.h

@@ -68,6 +68,8 @@ struct CoinFilterParams {
     bool only_spendable{true};
     // By default, do not include immature coinbase outputs
     bool include_immature_coinbase{false};
+    // By default, skip locked UTXOs
+    bool skip_locked{true};
 };
 
 /**