Check if #3829 works with a database snapshot and also syncing from genesis (internal testnet)

[muXxer]

We need to figure out if the changes introduced in #3829 are breaking changes in the database format.
Therefore we would like to sync the state of the internal testnet in two ways:
1.
2. sync from genesis
3. sync with rocksdb database snapshot
4. run a node without the change, stop it, apply the change, start it again (in the middle of an epoch)
5. run a node without the change, stop it, apply the change, start it again (after an epoch passed)

[muXxer]

closed because we need to reset the testnet state anyway, no need to test the upgradability