fix: Fix 0 reclaimable bytes handling in priority reclaiming #15536

Job	Run time
Build	32m 22s
Build with Clang	0s
Presto Bias Fuzzer	1s
Exchange Fuzzer	1s
Presto Fuzzer	1s
Cache Fuzzer	1s
Aggregation Fuzzer with Presto as source of truth	1s
Join Fuzzer	1s
RowNumber Fuzzer	1s
Spark Bias Fuzzer	1s
Spark Fuzzer	1s
Biased Aggregation Fuzzer with Presto as source of truth	1s
Window Fuzzer with Presto as source of truth	1s
Biased Expression Fuzzer with Only Added/Updated Functions and Presto as source of truth	1s
Writer Fuzzer with Presto as source of truth	1s
Spark Aggregate Fuzzer	1s
Signature Changes	1s
	32m 37s

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