Sync is broken

[Cifko]

We are ignoring the epoch in the SyncRequest.
But the main issue is that when a new epoch starts, the last block send to a new node that the new node has to vote on is from previous epoch. So it will fail validation and the node will go into sleep state.
I think this will be solved once we make the epoch change, but want to write this here, so we don't forget.
To reproduce what's wrong:

1. In the dan_layer\consensus\src\hotstuff\state_machine\worker.rs change the value of time::sleep to large value. With smaller value it's just flaky.
2. run the cucumber New validator node registers and syncs