* [TD-14331]<fix>: make util/dnodes.py flexible

* fix 5-taos-tools/basic.py

* fix 5-taos-tools/basic.py typo

* make util/dnodes.py getPath logic clear

* fix a few files

* fix a few taosdump/taosdemo test cases

* fix tools/taosdemoTestWithJson.py

* [TD-14331]<fix>: use getPath to replace getBuildPath