Avoid unnecessary creation of Both / Then when BlockedRequests == Empty
#494
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Currently we compose the
BlockedRequestswithout checking if the RHSBlockedRequestsobject is anEmpty. If it's an Empty then we can avoid composing them, therefore reducing object allocations and the time required to decompose the requests later one.This change mostly affects queries that contain at least some entries that were taken from the Cache. Based on the benchmarks, it shows up to 10% improvement for such queries