[AutoPR cognitiveservices/data-plane/QnAMaker] fix schema property naming

[AutorestCI]

Created to sync Azure/azure-rest-api-specs#6901

[AutorestCI]

(message created by the CI based on PR content)

Installation instruction

Package azure-cognitiveservices-knowledge-qnamaker

You can install the package azure-cognitiveservices-knowledge-qnamaker of this PR using the following command:
pip install "git+https://github.com/Azure/azure-sdk-for-python@restapi_auto_6901#egg=azure-cognitiveservices-knowledge-qnamaker&subdirectory=azure-cognitiveservices-knowledge-qnamaker"

You can build a wheel to distribute for test using the following command:
pip wheel --no-deps "git+https://github.com/Azure/azure-sdk-for-python@restapi_auto_6901#egg=azure-cognitiveservices-knowledge-qnamaker&subdirectory=azure-cognitiveservices-knowledge-qnamaker"

If you have a local clone of this repository, you can also do:

• git checkout restapi_auto_6901
• pip install -e ./azure-cognitiveservices-knowledge-qnamaker

Or build a wheel file to distribute for testing:

• git checkout restapi_auto_6901
• pip wheel --no-deps ./azure-cognitiveservices-knowledge-qnamaker

Direct download

Your files can be directly downloaded here:

• azure-cognitiveservices-knowledge-qnamaker-4.0.zip
• azure_cognitiveservices_knowledge_qnamaker-4.0-py2.py3-none-any.whl

[AutorestCI]

This PR has been merged into #5627