refactor: do some internal refactor.

* chore: update taos-tools 8dea29a for 3.0

* chore: update taos-tools 85b582b for 3.0

fix: add logs

fix(query): new META_READER_NOLOCK flag for metaReaderInit

fix: coverity issues

fix: coverity scan

* docs: update csharp connector status

* docs: fix csharp ws bulk pulling

* docs: clarify database param is optional to websocket dsn

* docs: fix python version and a few typos

fix(meta): use rwlock to favor writers

enh(query): support scalar expressions in the state window aggregate.

fix: coverity scan for sma and tfs

docs: update  the data type manual.

feat(stream): support define table name (DO NOT MERGE)

enh: opt log time

fix(query): fix the last block search error for ordinary table.

fix: coverity issues

fix(tdb): subtract payload size with cell header size