Decouple apply snapshot by introducing pre(post)_apply_snapshot#146

Merged

CalvinNeo merged 16 commits intopingcap:raftstore-proxy-6.2from CalvinNeo:migrate-pre-handle

Aug 31, 2022

+2,109-925

Commits on Aug 23, 2022

Commits on Aug 26, 2022

address fix
CalvinNeo
committed

Commits on Aug 29, 2022

add restart
CalvinNeo
committed

Commits on Aug 30, 2022