refactor(sync): refactor snapshot code

feat(query): support mode function

fix(stream): taosd crash when partition by tbname

test: sim test timeout

feat: udf can be compiled outside TDengine

fix: add merge parent project and child project optimization

feat: refactor rpc code

test：update alter_table.py and common.py

test: update case for tag compute

test: add case for scalar support stable

test: add test case for tmq

feat: add no retry  msg

refactor: rsma restore and code optimization

os: win shell catch ctrl-c

fix: balance vgroup

enh: adjust vgroup before commit

refactor(sync): add comments in snapshot