[WP-H36] Admin of the index pool can withdrawCredit() after applyCover() to avoid taking loss for the compensation paid for a certain pool

Handle WatchPug Vulnerability details In the current implementation, when an incident is reported for a certain pool, the index pool can still withdrawCredit from the pool, which in the best interest of an index pool, the admin of the index pool is preferred to do so. This allows the index pool t...