[improve]Improve the way of dorisSystem create table

[DongLiang-0]

Proposed changes

Issue Number: close #xxx

Problem Summary:

The main responsibility of DorisSystem should be the data interactive query with doris. We should assign the responsibility of generating table sql to DorisSchemaFactory.

Checklist(Required)

1. Does it affect the original behavior: (Yes/No/I Don't know)
2. Has unit tests been added: (Yes/No/No Need)
3. Has document been added or modified: (Yes/No/No Need)
4. Does it need to update dependencies: (Yes/No)
5. Are there any changes that cannot be rolled back: (Yes/No)

Further comments

If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...

[JNSimba]

LGTM