scripted-diff: wallet: rename AvailableCoinsParams members to snake_case

-BEGIN VERIFY SCRIPT-

sed -i 's/nMinimumAmount/min_amount/g' $(git grep -l nMinimumAmount)
sed -i 's/nMaximumAmount/max_amount/g' $(git grep -l nMaximumAmount)
sed -i 's/nMinimumSumAmount/min_sum_amount/g' $(git grep -l nMinimumSumAmount)
sed -i 's/nMaximumCount/max_count/g' $(git grep -l nMaximumCount)

-END VERIFY SCRIPT-

src/wallet/rpc/spend.cpp

@@ -1386,7 +1386,7 @@ RPCHelpMan sendall()
                 }
             } else {
                 CoinFilterParams coins_params;
-                coins_params.nMinimumAmount = 0;
+                coins_params.min_amount = 0;
                 for (const COutput& output : AvailableCoins(*pwallet, &coin_control, fee_rate, coins_params).All()) {
                     CHECK_NONFATAL(output.input_bytes > 0);
                     if (send_max && fee_rate.GetFee(output.input_bytes) > output.txout.nValue) {