Merge bitcoin/bitcoin#31433: test: #31212 follow up (spelling, refactor)

41d934c72d chore: Typo Overriden -> Overridden (Hodlinator)
c9fb38a590 refactor test: Cleaner combine_logs.py logic (Hodlinator)

Pull request description:

  - Fixes typo caught by spelling linter (https://github.com/bitcoin/bitcoin/runs/33979284676).
  - Minor but nice refactoring of *combine_logs.py* change that was suggested late: https://github.com/bitcoin/bitcoin/pull/31212#discussion_r1869307947

ACKs for top commit:
  l0rinc:
    ACK 41d934c72d
  maflcko:
    lgtm ACK 41d934c72d
  theStack:
    ACK 41d934c72d
  BrandonOdiwuor:
    Code Review ACK 41d934c72d
  tdb3:
    ACK 41d934c72d

Tree-SHA512: cf8ecc070d0b01df9c4e57a75820e17d4535591e85bf9d271c7b8f60875f7e04b9978c56e9b88c10e89e69ff755c35b23ed291949c32c875a91c3317105a3c79

test/functional/feature_config_args.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2017-2022 The Bitcoin Core developers
+# Copyright (c) 2017-present The Bitcoin Core developers
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 """Test various command line arguments and configuration file parameters."""
@@ -31,7 +31,7 @@ class ConfArgsTest(BitcoinTestFramework):
     def setup_network(self):
         self.setup_nodes()
 
-    # Overriden to not start nodes automatically - doing so is the
+    # Overridden to not start nodes automatically - doing so is the
     # responsibility of each test function.
     def setup_nodes(self):
         self.add_nodes(self.num_nodes, self.extra_args)