Introduce configuration based feature status flag support

[NipuniBhagya]

Purpose

This PR introduces the capability add and remove feature flag with central point of governance which is the deployment.config.json.

Related Issues

• Remove feature labels & coming soon sections in the Console product-is#22311

Related PRs

• N/A

Checklist

• e2e cypress tests locally verified. (for internal contributers)
• Manual test round performed and verified.
• UX/UI review done on the final implementation.
• Documentation provided. (Add links if there are any)
• Relevant backend changes deployed and verified
• Unit tests provided. (Add links if there are any)
• Integration tests provided. (Add links if there are any)

Security checks

• Followed secure coding standards in http://wso2.com/technical-reports/wso2-secure-engineering-guidelines
• Ran FindSecurityBugs plugin and verified report
• Confirmed that this PR doesn't commit any keys, passwords, tokens, usernames, or other secrets

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 36.53%. Comparing base (ef66c33) to head (96a0c97).
Report is 85 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #7364   +/-   ##
=======================================
  Coverage   36.53%   36.53%           
=======================================
  Files          42       42           
  Lines         906      906           
  Branches      223      223           
=======================================
  Hits          331      331           
  Misses        575      575           

Flag	Coverage Δ
@wso2is/core	36.53% <ø> (ø)

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[wso2-jenkins-bot]

🦋 Changeset detected

The changes in this PR will be included in the next version bump.

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