Add optimization mode aggregation (pipeline) fuzzer to evergreen

SERVER-42568 Covered query for $replaceRoot involving missing fields returns different results than collection scan

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• Closed

SERVER-37100 Investigate a way to deal with pre-evaluation errors in optimization agg-fuzzer

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• Closed

SERVER-23229 Projection incorrectly returns null value instead of missing field to user if projection is covered

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• Backlog

SERVER-36698 Add suite for agg expr fuzzer optimized vs unoptimized

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• Closed