Signature
Description
Cancels the single live pending update, restoring the no-pending state (effectiveAt resets to 0).
Reverts with AccessControlUnauthorizedAccount when the caller does not hold OPERATOR_ROLE.
Reverts with UIMultiplierUpdateDoesNotExist when there is no live pending update.
Emits UIMultiplierUpdateCancelled(cancelledMultiplier, cancelledEffectiveAt) on success.
Access control
OPERATOR_ROLE gates this Asset call.