Fix flaky test by sorting operatorIds

[wadealexc]

BLSMockAVSDeployer does horrible things to generate a sorted list of random operator ids:

https://github.com/layr-labs/eigenlayer-middleware/blob/cac457271cc43feb8aefe886ef359a4f6621cb9c/test/utils/BLSMockAVSDeployer.sol#L57-L67

This results in tests failing very rarely due to "out of gas". We should sort operatorIds here rather than hashing elements.