[Metrics Advisor] [AAD] MetricsAdvisorClient Feedback creates ChangePoint feedback failing in nightly runs

[v-jiaodi]

Metrics Advisor nightly test runs are failing with:

Error message:
{"code":"BadRequest","message":null}

Stack trace:
RestError: {"code":"BadRequest","message":null}
at handleErrorResponse (/Users/runner/work/1/s/sdk/core/core-http/src/policies/deserializationPolicy.ts:274:17)
at /Users/runner/work/1/s/sdk/core/core-http/src/policies/deserializationPolicy.ts:179:47
at processTicksAndRejections (node:internal/process/task_queues:96:5)
at GeneratedClient.sendOperationRequest (/Users/runner/work/1/s/sdk/core/core-http/src/serviceClient.ts:521:23)
at MetricsAdvisorClient.addFeedback (/Users/runner/work/1/s/sdk/metricsadvisor/ai-metrics-advisor/dist-esm/src/metricsAdvisorClient.js:415:485)
at Context. (/Users/runner/work/1/s/sdk/metricsadvisor/ai-metrics-advisor/test/public/advisorclient.spec.ts:550:26)

For more details check here:

• https://dev.azure.com/azure-sdk/internal/_build/results?buildId=1263094&view=results

[v-jiaodi]

This issue reappears.
For more details check here: https://dev.azure.com/azure-sdk/internal/_build/results?buildId=1328311&view=results

[KarishmaGhiya]

This seems to be failing on API key now, earlier it was failing on AAD.