sync to chain in high latency net

[shahabi8]

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Change Description

This PR adds network latency to net_plugin such that in p2p connection with latency syncing node can be always behind its peer node, therefore it should recognize network latency and avoids sending notice message of Lib catch up to syncing node.

Change Type

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• [ ] Documentation

• [x] Stability bug fix

• [ ] Other

• [ ] Other - special case

Testing Changes

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• [x] New Tests

• [ ] Existing Tests

• [ ] Test Framework

• [ ] CI System

• [ ] Other

Consensus Changes

• [ ] Consensus Changes

API Changes

• [ ] API Changes

Documentation Additions

• [ ] Documentation Additions