enh: send compact msg from mnode to vnode

feat: sql command 'compact database'

docs: add db option table_prefix and table_suffix

enh: scan exec set limit

Co-authored-by: Nfacetosea <25808407@qq.com>

enh: improve unit tests

fix(meta): reader unlock coverity issue

merge from main to 3.0

feat: rsma snapshot refactor for stream state

refactor: do some internal refactor.

enh: enh chartset convert