feat(eth): log remote address when registering peers

[gzliudan]

Proposed changes

Include the peer remote TCP address in the registration log to expose IP and port for debugging.

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• build: Changes that affect the build system or external dependencies
• ci: Changes to CI configuration files and scripts
• chore: Changes that don't change source code or tests
• docs: Documentation only changes
• feat: A new feature
• fix: A bug fix
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• Consensus
• Account
• Network
• Geth
• Smart Contract
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• This PR has sufficient test coverage (unit/integration test) OR I have provided reason in the PR description for not having test coverage
• Tested on a private network from the genesis block and monitored the chain operating correctly for multiple epochs.
• Provide an end-to-end test plan in the PR description on how to manually test it on the devnet/testnet.
• Tested the backwards compatibility.
• Tested with XDC nodes running this version co-exist with those running the previous version.
• Relevant documentation has been updated as part of this PR
• N/A

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[Copilot]

Pull request overview

This PR enhances peer registration logging in the Ethereum protocol handler by adding the remote TCP address (IP:port) to the “Register peer” log line to aid debugging of peer connections.

Changes:

• Add addr (remote connection address) to the peer registration log entry.

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