misc: Improve OutputBufferManager initialization #14647

Job	Run time
Build	59m 24s
Build with Clang	0s
Spark Aggregate Fuzzer	15m 45s
Spark Fuzzer	15m 50s
Presto Fuzzer	30m 49s
Join Fuzzer	17m 31s
Presto Bias Fuzzer	0s
Exchange Fuzzer	16m 11s
Biased Aggregation Fuzzer with Presto as source of truth	0s
Aggregation Fuzzer with Presto as source of truth	17m 48s
Biased Expression Fuzzer with Only Added/Updated Functions and Presto as source of truth	0s
Window Fuzzer with Presto as source of truth	17m 35s
Writer Fuzzer with Presto as source of truth	17m 29s
RowNumber Fuzzer	15m 38s
Spark Bias Fuzzer	0s
Signature Changes	2s
	3h 44m 2s

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