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

huge code refactoring

* fix arm32 compile issue.

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

* fix precision parsing order issue.

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

pre-cherry-pick.

* turn nanosecond support on on the develop branch.