Swagger changes to support Impala V2 in ADF

[sudhiremmadi]

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[openapi-pipeline-app]

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• ❌ This PR targets either the main branch of the public specs repo or the RPSaaSMaster branch of the private specs repo. These branches are not intended for iterative development. Therefore, you must acknowledge you understand that after this PR is merged, the APIs are considered shipped to Azure customers. Any further attempts at in-place modifications to the APIs will be subject to Azure's versioning and breaking change policies. Additionally, for control plane APIs, you must acknowledge that you are following all the best practices documented by ARM at aka.ms/armapibestpractices. If you do intend to release the APIs to your customers by merging this PR, add the PublishToCustomers label to your PR in acknowledgement of the above. Otherwise, retarget this PR onto a feature branch, i.e. with prefix release- (see aka.ms/azsdk/api-versions#release--branches).
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  Once the blocking problems are addressed, add to the PR a comment with contents /azp run. Automation will re-evaluate this PR and if everything looks good, it will add WaitForARMFeedback label which will put this PR on the ARM review queue.
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• ❌ This PR is NotReadyForARMReview because it has the VersioningReviewRequired label.
  
• ❌ This PR has at least one change violating Azure versioning policy (label: VersioningReviewRequired).
  To unblock this PR, either a) introduce a new API version with these changes instead of modifying an existing API version, or b) follow the process at aka.ms/brch.
• ❌ The required check named Swagger BreakingChange has failed. To unblock this PR, follow the process at aka.ms/brch.

[openapi-pipeline-app]

PR validation pipeline started successfully. If there is ApiView generated, it will be updated in this comment.

[azure-sdk]

API change check

APIView has identified API level changes in this PR and created following API reviews.

Microsoft.DataFactory
Microsoft.Synapse

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