[APIM] Fix #21187: az apim api create/update/import: Fix header and query param names being swapped

[PramodValavala-MSFT]

Description

When performing operations on an API in APIM using Azure CLI like create, import, or update, there are parameters available to set the subscription key header and query param name.

But as brought up in issue #21187, they are flipped. This PR fixes that and updates the tests accordingly.

After regenerating the test recording, I only include the relevant changes since the other changes were just to the User-Agent or etag values. Hope that is OK.

Testing Guide

# Create API
az apim api create --service-name {} -g {} --api-id MyApi --path '/myapi' --display-name 'My API' --subscription-key-header-name 'header' --subscription-key-query-param-name 'query'

# Update API
az apim api update --service-name {} -g {} --api-id MyApi --subscription-key-header-name 'header' --subscription-key-query-param-name 'query'

# Import API
az apim api import --service-name {} -g {} --api-id MyApi --path '/myapi' --specification-url https://petstore.swagger.io/v2/swagger.json --specification-format OpenApiJson --subscription-key-header-name 'header' --subscription-key-query-param-name 'query'

resolves #21187

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[yonzhan]

API Management