Bootstrap: Replicate missed transaction of current summary

[bchamagne]

Description

When a node starts and is authorized, it'll catch up the missed transaction of current summary (current day)
Fixes #1468

Type of change

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Unit tested
Manual test of this scenario:

1. 4 nodes running
2. close one
3. run a faucet
4. restart the one
5. check that faucet transaction is in db

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[Neylix]

Since the reducing confirmations is already done in the BeaconChain function, it is not needed to do it here as it isn't possible to have attestation for the same transaction on different subset