Feat: add gmail connector (#11549)

### What problem does this PR solve?

_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/user-setting/data-source/add-datasource-modal.tsx

@@ -47,6 +47,7 @@ const AddDataSourceModal = ({
       }
       open={visible || false}
       onOpenChange={(open) => !open && hideModal?.()}
+      maskClosable={false}
       // onOk={() => handleOk()}
       okText={t('common.confirm')}
       cancelText={t('common.cancel')}