Merge bitcoin#24376: doc: bitcoin-wallet fixes (help output and code comment)

62cc138 Rename wallet-tool to bitcoin-wallet in code comment (Kristaps Kaupe)
0db3ad3 Mention -signet in bitcoin-wallet help output (Kristaps Kaupe)

Pull request description:

  * Mention `-signet` in sentence where there is already `-testnet/-signet` in help output.
  * Rename `wallet-tool` to `bitcoin-wallet` in single remaining place in code comments (was already done in bitcoin#17648 at other places).

ACKs for top commit:
  RandyMcMillan:
    tACK 62cc138

Tree-SHA512: c5df7811b8200f61943908dcf3b2b788fe991bf00bef28f069ab8784924556ffd5d86fc0ba2ad0b3c3f9be2ba73a34bc67059d7c057bba646c1801ffa3cb2070

Author: MarcoFalke

src/bitcoin-wallet.cpp

@@ -63,7 +63,7 @@ static bool WalletAppInit(ArgsManager& args, int argc, char* argv[])
             strUsage += "\n"
                         "bitcoin-wallet is an offline tool for creating and interacting with " PACKAGE_NAME " wallet files.\n"
                         "By default bitcoin-wallet will act on wallets in the default mainnet wallet directory in the datadir.\n"
-                        "To change the target wallet, use the -datadir, -wallet and -testnet/-regtest arguments.\n\n"
+                        "To change the target wallet, use the -datadir, -wallet and -regtest/-signet/-testnet arguments.\n\n"
                         "Usage:\n"
                         "  bitcoin-wallet [options] <command>\n";
             strUsage += "\n" + args.GetHelpMessage();

src/wallet/wallet.cpp

@@ -1027,7 +1027,8 @@ bool CWallet::LoadToWallet(const uint256& hash, const UpdateWalletTxFn& fill_wtx
     if (!fill_wtx(wtx, ins.second)) {
         return false;
     }
-    // If wallet doesn't have a chain (e.g wallet-tool), don't bother to update txn.
+    // If wallet doesn't have a chain (e.g when using bitcoin-wallet tool),
+    // don't bother to update txn.
     if (HaveChain()) {
         bool active;
         auto lookup_block = [&](const uint256& hash, int& height, TxState& state) {