client-routes: include original port in endpoint identity

[dkropachev]

Summary

• include original port in ClientRoutesEndPoint equality, hash, ordering, and repr
• add unit coverage for port-sensitive identity and ordering with missing original ports

Verification

• repo_ci fast reached workflow-test passed and then timed out at the 300s wrapper limit

[dkropachev]

Actuslly it is a bad idea to include port into it,