[PM-30811]: Add feature flag to support new KM APIs in change email flow

[enmande]

🎟️ Tracking

PM-30811

Associated clients PR 18857

📔 Objective

Add feature flag to support Change Email feature migration to new KM APIs.

📸 Screenshots

See Associated clients PR 18857

[github-actions]

Checkmarx One – Scan Summary & Details – bd4c891c-13ec-402b-a167-c58d3fb04f89

New Issues (2)

Checkmarx found the following issues in this Pull Request

#	Severity	Issue	Source File / Package	Checkmarx Insight
1		CSRF	/src/Api/Vault/Controllers/CiphersController.cs: 1527	details Method at line 1527 of /src/Api/Vault/Controllers/CiphersController.cs gets a parameter from a user request from id. This parameter value flows ... Attack Vector
2		CSRF	/src/Api/Vault/Controllers/CiphersController.cs: 1403	details Method at line 1403 of /src/Api/Vault/Controllers/CiphersController.cs gets a parameter from a user request from id. This parameter value flows ... Attack Vector

Fixed Issues (2)

Great job! The following issues were fixed in this Pull Request

Severity	Issue	Source File / Package
	CSRF	/src/Api/KeyManagement/Controllers/AccountsKeyManagementController.cs: 145
	CSRF	/src/Api/Vault/Controllers/CiphersController.cs: 293

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 56.28%. Comparing base (c15c418) to head (7cc5cda).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6969      +/-   ##
==========================================
- Coverage   56.28%   56.28%   -0.01%     
==========================================
  Files        1986     1986              
  Lines       87660    87660              
  Branches     7814     7814              
==========================================
- Hits        49339    49338       -1     
- Misses      36490    36491       +1     
  Partials     1831     1831              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.