Update delegate list to be based on address

[shuse2]

Description

Delegate list should be stored as address.

• Update forger info to store information with address key in block_processor_v2
• Delegate slot check should be based on address in forger module
• Generator check should be based on address in processor

Motivation

In the system, address should be used consistently except where signature validation is required.

Acceptance Criteria

• Test if forger info is stored with address key
• Test if delegate slot is checked against address
• Test if generator is checked against address
• Public key should not be used anywhere except signature validation

Related issues

#4915

[shuse2]

Superseded by #4941