[purview metapolicy] Fix nextLink

[msyyc]

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[openapi-pipeline-app]

Swagger Validation Report

️️✔️BreakingChange succeeded [Detail] [Expand]

There are no breaking changes.

• Compared Swaggers (Based on Oad v0.9.0)
  • current:preview/2021-07-01/purviewMetadataPolicy.json compared with base:preview/2021-07-01/purviewMetadataPolicy.json

️⚠️LintDiff: 0 Warnings warning [Detail]

• Linted configuring files (Based on source branch, openapi-validator v1.10.1 , classic-openapi-validator v1.1.10 )
  • purview/data-plane/readme.md tag:package-2021-07-01
• Linted configuring files (Based on target branch, openapi-validator v1.10.1 , classic-openapi-validator v1.1.10 )
  • purview/data-plane/readme.md tag:package-2021-07-01

The following errors/warnings exist before current PR submission:

Rule	Message
⚠️ R2001 - AvoidNestedProperties	Consider using x-ms-client-flatten to provide a better end user experience Location: Azure.Analytics.Purview.MetadataPolicies/preview/2021-07-01/purviewMetadataPolicy.json#L390
⚠️ R2001 - AvoidNestedProperties	Consider using x-ms-client-flatten to provide a better end user experience Location: Azure.Analytics.Purview.MetadataPolicies/preview/2021-07-01/purviewMetadataPolicy.json#L501
⚠️ R2063 - OperationIdNounConflictingModelNames	OperationId has a noun that conflicts with one of the model names in definitions section. The model name will be disambiguated to 'MetadataPolicyModel'. Consider using the plural form of 'MetadataPolicy' to avoid this. Note: If you have already shipped an SDK on top of this spec, fixing this warning may introduce a breaking change. Location: Azure.Analytics.Purview.MetadataPolicies/preview/2021-07-01/purviewMetadataPolicy.json#L60
⚠️ R2063 - OperationIdNounConflictingModelNames	OperationId has a noun that conflicts with one of the model names in definitions section. The model name will be disambiguated to 'MetadataPolicyModel'. Consider using the plural form of 'MetadataPolicy' to avoid this. Note: If you have already shipped an SDK on top of this spec, fixing this warning may introduce a breaking change. Location: Azure.Analytics.Purview.MetadataPolicies/preview/2021-07-01/purviewMetadataPolicy.json#L112
⚠️ R2063 - OperationIdNounConflictingModelNames	OperationId has a noun that conflicts with one of the model names in definitions section. The model name will be disambiguated to 'MetadataPolicyModel'. Consider using the plural form of 'MetadataPolicy' to avoid this. Note: If you have already shipped an SDK on top of this spec, fixing this warning may introduce a breaking change. Location: Azure.Analytics.Purview.MetadataPolicies/preview/2021-07-01/purviewMetadataPolicy.json#L170

️️✔️Avocado succeeded [Detail] [Expand]

Validation passes for Avocado.

️️✔️ModelValidation succeeded [Detail] [Expand]

Validation passes for ModelValidation.

️️✔️SemanticValidation succeeded [Detail] [Expand]

Validation passes for SemanticValidation.

️️✔️Cross-Version Breaking Changes succeeded [Detail] [Expand]

There are no breaking changes.

️️✔️CredScan succeeded [Detail] [Expand]

There is no credential detected.

️️✔️[Staging] SDK Track2 Validation succeeded [Detail] [Expand]

Validation passes for SDKTrack2Validation

• The following tags are being changed in this PR
• purview/data-plane/readme.md#package-2021-07-01

️️✔️[Staging] PrettierCheck succeeded [Detail] [Expand]

Validation passes for PrettierCheck.

️️✔️[Staging] SpellCheck succeeded [Detail] [Expand]

Validation passes for SpellCheck.

️️✔️[Staging] Lint(RPaaS) succeeded [Detail] [Expand]

Validation passes for Lint(RPaaS).

_{Posted by Swagger Pipeline | How to fix these errors?}

[openapi-pipeline-app]

Swagger Generation Artifacts

️️✔️[Staging] ApiDocPreview succeeded [Detail] [Expand]

 Please click here to preview with your @microsoft account. 

️️✔️[Staging] SDK Breaking Change Tracking succeeded [Detail] [Expand]

Breaking Changes Tracking

️❌ azure-sdk-for-net-track2 failed [Detail]

• ❌Failed [Logs]Release - Generate from b9aa587. SDK Automation 14.0.0

  command	pwsh ./eng/scripts/Automation-Sdk-Init.ps1 ../azure-sdk-for-net_tmp/initInput.json ../azure-sdk-for-net_tmp/initOutput.json
  warn	File azure-sdk-for-net_tmp/initOutput.json not found to read
  command	pwsh ./eng/scripts/Automation-Sdk-Generate.ps1 ../azure-sdk-for-net_tmp/generateInput.json ../azure-sdk-for-net_tmp/generateOutput.json
  warn	No file changes detected after generation
  error	Fatal error: packageFolderFromFileSearch not configured and could not be found in legacy config
  packageFolderFromFileSearch not configured and could not be found in legacy config
  Error: packageFolderFromFileSearch not configured and could not be found in legacy config
      at workflowDetectChangedPackages (/home/vsts/work/1/a/unified-pipeline-runtime/private/openapi-sdk-automation/lib/automation/workflow.js:422:23)
      at workflowHandleReadmeMd (/home/vsts/work/1/a/unified-pipeline-runtime/private/openapi-sdk-automation/lib/automation/workflow.js:168:11)
      at async Object.exports.workflowMain (/home/vsts/work/1/a/unified-pipeline-runtime/private/openapi-sdk-automation/lib/automation/workflow.js:83:9)
      at async Object.exports.sdkAutoMain (/home/vsts/work/1/a/unified-pipeline-runtime/private/openapi-sdk-automation/lib/automation/entrypoint.js:152:13)
      at async /home/vsts/work/1/a/unified-pipeline-runtime/private/openapi-sdk-automation/lib/cli/cli.js:20:18

_{Posted by Swagger Pipeline | How to fix these errors?}