OIP-174: Perpetual YRF

## Summary: Do Not Disable YRF When Emissions Manager Activates ## Background: There was previous intent to disable the YRF above the Emissions Manager minimum premium of 100%. Convertible Deposits will generate perpetual external yield to be routed through the YRF. ## Proposal: Create the same YRF structure in anticipation of Convertible Deposits. The YRF is currently unaware of Emissions Manager status, so enacting this requires no changes. Guardian should simply not disable YRF upon...