Better serializable cart search

If you are using Optimizely Commerce (Connect, B2C, or whatever you call it these days), you are likely using its serializable cart mode. That cart mode has been introduced 10 years ago (I still remember a cold winter day when I first introduced it to the OMVPs (then EMVPs) at a summit). It was introduced to help reducing the performance issues - most notably deadlocks with order system.…