feat: To store user's Intercom email share consent on backend

[vishnu-gp]

Description

Currently, there is no way for us to know any details about a user when they reach out to support via Intercom. Thus, we are not able to offer the right level of support to them basis their current plan.

The idea is to ask for consent to share user details with Appsmith before Intercom is enabled for a user, the basis which support can determine the right level of support.

This PR helps to store and retrieve the flag variable for a particular user which says whether the consent was given or not.

Fixes #22611

Type of change

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

• Manual
• JUnit

Checklist:

Dev activity

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• PR is being merged under a feature flag

QA activity:

• Test plan has been approved by relevant developers
• Test plan has been peer reviewed by QA
• Cypress test cases have been added and approved by either SDET or manual QA
• Organized project review call with relevant stakeholders after Round 1/2 of QA
• Added Test Plan Approved label after reveiwing all Cypress test

[vishnu-gp]

/ok-to-test sha=dec3b7c657dcb3d1780a42d9eb448c603971c88c

[github-actions]

Tests running at: https://github.com/appsmithorg/appsmith/actions/runs/4782166523.
Workflow: Appsmith External Integration Test Workflow.
Commit: dec3b7c657dcb3d1780a42d9eb448c603971c88c.
PR: 22648.
Perf tests will be available at https://app.appsmith.com/app/performance-infra-dashboard/pr-details-638dd7cd2913ba43778b915e?pr=22648&runId=4782166523_1

[vishnu-gp]

/ok-to-test sha=2be01cd33f8c5495f903a48d62605425b4028488

[github-actions]

Tests running at: https://github.com/appsmithorg/appsmith/actions/runs/4782369371.
Workflow: Appsmith External Integration Test Workflow.
Commit: 2be01cd33f8c5495f903a48d62605425b4028488.
PR: 22648.
Perf tests will be available at https://app.appsmith.com/app/performance-infra-dashboard/pr-details-638dd7cd2913ba43778b915e?pr=22648&runId=4782369371_1

[github-actions]

Workflow run: https://github.com/appsmithorg/appsmith/actions/runs/4782369371.
Commit: 2be01cd33f8c5495f903a48d62605425b4028488.
The following are new failures, please fix them before merging the PR:

1. cypress/integration/Regression_TestSuite/ClientSideTests/Widgets/Modal_background_spec.ts

To know the list of identified flaky tests - Refer here

[github-actions]

Workflow run: https://github.com/appsmithorg/appsmith/actions/runs/4782369371.
Commit: 2be01cd33f8c5495f903a48d62605425b4028488.
All cypress tests have passed 🎉

[github-actions]

Workflow run: https://github.com/appsmithorg/appsmith/actions/runs/4782369371.
Commit: 2be01cd33f8c5495f903a48d62605425b4028488.
All cypress tests have passed 🎉