Delegate should not punished by DPoS violation for first rounds

[shuse2]

Expected behavior

Delegate for first rounds are punished for the DPoS violation

Actual behavior

{
 "id": "7620152438571012831"
}
15:47:52 INFO lisk-framework: Punishing delegate for DPoS violation (module=lisk:app)
{
 "id": "17099278745515138981"
}
15:47:52 INFO lisk-framework: Punishing delegate for DPoS violation (module=lisk:app)
{
 "id": "10681471986634929949"
}
15:47:52 INFO lisk-framework: Punishing delegate for DPoS violation (module=lisk:app)
{
 "id": "17861655877572574378"
}

Steps to reproduce

Run a node for several rounds, and try to sync with the node

Which version(s) does this affect? (Environment, OS, etc...)

4.0-

[ManuGowda]

• Blocks cache needed to be sorted desc
• Used hash onion need to filtered including 3 rounds (103 * 3)

[shuse2]

For the hash-onion, it should leave at least one entry per account.
If there are more than 2 entries, the entries that are not the highest height can be removed after finality.