Hotfix/sangshuduo/td 5053 taosdump support nanosecond for master (#6778)

* cherrypick from develop branch

* fix arm32 compile issue.

* [TD-5053]<feature>: taosdump supports nanosecond.

* fix precision parsing order issue.

* [TD-5053]<fix>: taosdump support nanosecond.

pre-cherry-pick.