feat(plugin-cc): Implementation for the Agent Status Feature

[pagour98]

COMPLETES #<SPARK-558614>

This pull request addresses

The user should be able to set Agent Status.

API:- https://api.wxcc-us1.cisco.com/v1/agents/session/state

Description:

The user should be able to set Agent Status by making a PUT request to the above API

by making the following changes

1. Added UI and called relevant method inside Samples Page.
2. Introduced new functions inside cc.ts file
3. Introduced new functions inside AgentConfig file
4. Introduced new function inside AgentConfigService file

Change Type

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update
• Tooling change
• Internal code refactor

The following scenarios were tested

I have tested my changes through the CC samples app using the UI changes that I have add. I have tested the Post with valid and invalid request.

I certified that

• I have read and followed contributing guidelines

• I discussed changes with code owners prior to submitting this pull request

• I have not skipped any automated checks

• All existing and new tests passed

• I have updated the documentation accordingly

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Make sure to have followed the contributing guidelines before submitting.

[rsarika]

closing this PR as we opened new PR
webex#3970