fix: update history method changes

[pradeepjha-microsoft]

Purpose

This pull request includes changes to the ClientAdvisor/App/frontend/src/api/api.ts file to add a new utility function and improve error handling in the historyUpdate function. The most important changes are:

Enhancements to error handling and utility functions:

• Added a new utility function isLastObjectNotEmpty to check if the last object in an array is not empty. This function is used to handle cases where the array might be empty or the last object in the array is empty.
• Updated the historyUpdate function to use the isLastObjectNotEmpty utility function to determine whether to proceed with the update or return an error response. If the last object in the messages array is empty, the function now returns a 500 Internal Server Error response.

Does this introduce a breaking change?

• Yes
• [X ] No

Golden Path Validation - NA

• I have tested the primary workflows (the "golden path") to ensure they function correctly without errors.

Deployment Validation - NA

• I have validated the deployment process successfully and all services are running as expected with this change.

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