Merge bitcoin/bitcoin#23311: wallet: Use PACKAGE_NAME to mention our software

da791c7f66 wallet: Use PACKAGE_NAME to mention our software (Hennadii Stepanov)

Pull request description:

  This PR replaces "bitcoin" and "bitcoind" with `PACKAGE_NAME` in wallet log and error messages.

ACKs for top commit:
  jonatack:
    ACK da791c7f66
  lsilva01:
    Tested ACK da791c7 on Ubuntu 20.04.
  brunoerg:
    tACK da791c7f66
  stratospher:
    Tested ACK da791c7
  shaavan:
    ACK da791c7f66

Tree-SHA512: c613446d9c8c3f85e6f5fec77382c9bc17746a853c89e72e1a3a79bf355d7bd9e455bbde8f9e02a894d225a67029c732cdc68ec8c58ac8237dde27d39dae8be7

test/functional/tool_wallet.py

@@ -193,7 +193,7 @@ class ToolWalletTest(BitcoinTestFramework):
         locked_dir = os.path.join(self.options.tmpdir, "node0", "regtest", "wallets")
         error = 'Error initializing wallet database environment "{}"!'.format(locked_dir)
         if self.options.descriptors:
-            error = "SQLiteDatabase: Unable to obtain an exclusive lock on the database, is it being used by another bitcoind?"
+            error = f"SQLiteDatabase: Unable to obtain an exclusive lock on the database, is it being used by another instance of {self.config['environment']['PACKAGE_NAME']}?"
         self.assert_raises_tool_error(
             error,
             '-wallet=' + self.default_wallet_name,