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)

---------

Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>

web/src/pages/user-setting/setting-model/ollama-modal/index.tsx

@@ -101,7 +101,7 @@ const OllamaModal = ({
         <Form.Item<FieldType>
           label={t('modelType')}
           name="model_type"
-          initialValue={'chat'}
+          initialValue={'embedding'}
           rules={[{ required: true, message: t('modelTypeMessage') }]}
         >
           <Select placeholder={t('modelTypeMessage')}>