Support to take the initiative to compact cold large files and compression diff hfiles after changing storefile compression algrithm

We can set switch to enable this feature, to make the compression algrithm changes be applied to all the existing store files, especially when we make a lower space usage compression algrithm change, e.g. from LZO to ZSTD can save more than 30% spaces.

All the compaction policies should support this feature.