fix: add more ut cases and fix issues

docs: refine taos.cfg format

enh: add unit test and delete useless code

test:add unit tests after building taosd

fix(stream):tqBuildDeleteReq error

test: improve coverall

docs: update show transactions

fix(query): handle the case of the single block in last files.

* chore(release): make get_os.sh works on mac

* chore(tools): update taos-tools

* chore: update taos-tools for 3.0

* fix: taosbenchmark with taosws on windows

* fix: shell depends on ws on windows

* fix: update taostools aa0923e for 3.0

* fix: taosdump for mac with websocket is wip

* fix: update taostoosl c6f6220 for 3.0

test: update testcases for TD-19943

test: add test case for last file

test:modify test cases of tmq for poll delay

test: refine query cases