support api-version and change default-model in adding azure-openai and openai (#2799)
### What problem does this PR solve?
#2701#2712#2749
### Type of change
-[x] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)
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Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>