fix: add max_speed as keywordw

test:fix comatibility case

the original name caused the document to not be displayed properly

avoid removing taosx and taos-explorer while uninstall taosd

fix taosd cannot quit

rm duplicate para

fix: restore stt/block merge back

fix(stream): avoid launching check downstream

This reverts commit 079d7ff6.

other: merge fix from 3.0 to main.

fix: reset rowsize since it is set during blockDataAppendColInfo

test：fix windows cases

docs: fix connection param in taosws in python connector

fix: update assert issue

open split vgroup case