[Reward + Gov] Explore if we can spread reward calculation and governance calculation, instead of calculating everything during the epoch transition

[satran004]

Currently, both reward calculation and governance state calculation occur during the epoch transition.

For example, to calculate rewards/adapots for epoch e, we start fetching the required data and trigger the calculation during the epoch transition from epoch e-1 to e.

However, since most of the data needed for the adapot calculation of epoch e is already available during epoch e-1, we should explore if we can break the calculation into steps. This would minimize the calculation during the epoch transition (from e-1 to e) and allow the rewards and adapot details to be available as soon as possible, rather than causing a delay (currently around 15-20 minutes).

The same should be evaluated for governance state calculation.