performance issue: BITMAP_INTERSECT ... functions

[BohuTANG]

Summary

Multiple executions of the same BITMAP_INTERSECT query show consistent execution times when data being cached on local disk.

Query:

SELECT
    TO_STRING(BITMAP_INTERSECT(frame_bitmap))
FROM
    frame_bitmap_table

These also need to address:

[KKould]

part of:

• [x] bitmap_intersect: https://github.com/databendlabs/databend/pull/19041

todo:

• [ ] Benchmark covering all bitmap-related functions: https://github.com/databendlabs/databend/pull/19069
• [ ] https://github.com/databendlabs/databend/issues/19101