fix: Date fix on chat

[UtkarshMishra-Microsoft]

Purpose

This PR updates the date formatting logic to ensure consistency between the chat response (e.g., HR Agent message) and the left panel UI.

• Updated the format_date_for_user() function in utils_date.py to output dates in the format:

This pull request enhances the backend functionality by adding user locale support across multiple endpoints and agents. It introduces new parameters, methods, and logic to handle locale-specific preferences, ensuring a more personalized user experience. Additionally, it includes utility improvements like generating agent tool lists and refining agent behavior.

Enhancements to Locale Support:

• Added user_locale parameter to multiple endpoints (input_task_endpoint, human_feedback_endpoint, approve_step_endpoint) to handle locale preferences.
• Added a new /api/tasks endpoint to demonstrate locale-specific task handling, including HR and product-related operations.

Utilities and Tooling:

• Updated GroupChatManager to store user_locale and utilize it for locale-specific operations. (`[src/backend/kernel_agents/group_chat_manager.py

Code Refinements:

• Modified handle_action_request methods in BaseAgent and GenericAgent to accept additional keyword arguments like user_locale, improving extensibility.

Does this introduce a breaking change?

• Yes
• No

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]
npm install

• Test the code

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