Set execution fees proposal cli to use flags

[kiragpg]

close #648 #555 #569

• Unique identity keys
• Genesis init fix
• CLI to use flags for execution fees proposal
• Slashing module params to gov module properties
• Identity record verification bug fix - https://www.notion.so/kira-network/BUG-Process-of-Verification-Request-c34ecff8edf34beb81abbe80a5f0f6e4
• Network properties handling fix

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