Rework `Scheme` estimation in compressor #88

Job	Run time
remove-bench-label	6s
remove-sql-label	0s
sql-bench	0s
bench / bench (compress-bench, Compression)	25m 6s
bench / bench (random-access-bench, Random Access, --features lance)	14m 29s
bench / sql / bench (tpch-s3, tpch, TPC-H SF=1 on S3, vortex-bench/data/tpch/1.0, s3://vortex-ci-benchmark-data...	13m 40s
bench / sql / bench (fineweb, fineweb, FineWeb NVMe, datafusion:parquet,datafusion:vortex,datafusion:vortex-com...	6m 30s
bench / sql / bench (polarsignals, polarsignals, PolarSignals Profiling, datafusion:vortex, 1)	5m 27s
bench / sql / bench (tpch-nvme-10, tpch, TPC-H SF=10 on NVME, datafusion:arrow,datafusion:parquet,datafusion:vo...	11m 17s
bench / sql / bench (tpch-nvme, tpch, TPC-H SF=1 on NVME, datafusion:arrow,datafusion:parquet,datafusion:vortex...	5m 41s
bench / sql / bench (tpcds-nvme, tpcds, TPC-DS SF=1 on NVME, datafusion:parquet,datafusion:vortex,datafusion:vo...	9m 15s
bench / sql / bench (tpch-s3-10, tpch, TPC-H SF=10 on S3, vortex-bench/data/tpch/10.0, s3://vortex-ci-benchmark...	21m 35s
bench / sql / bench (clickbench-nvme, clickbench, Clickbench on NVME, datafusion:parquet,datafusion:vortex,duck...	17m 22s
bench / sql / bench (statpopgen, statpopgen, Statistical and Population Genetics, duckdb:parquet,duckdb:vortex,...	15m 32s
bench / sql / bench (fineweb-s3, fineweb, FineWeb S3, vortex-bench/data/fineweb, s3://vortex-ci-benchmark-datas...	13m 26s
	2h 39m 26s

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