Several fixes for the account vault positions / updates.
New entities:
Registry: As we have two registries, we track each one, and the vaults registered in each one too. The vault also has a derivedFrom 'registry' field.
StrategyReportResult: It contains the APRs per strategy in each harvest. It means, when a strategy is reported, the subgraph calculates the APR from the last report vs the current one. It is not processed when the strategy was reported only once.
It includes:
Subgraph: https://thegraph.com/explorer/subgraph/salazarguille/yearn-vaults-v2-subgraph-mainnet?version=pending