Fix error at cloning authentication context.

[Thisara-Welmilla]

Issue:

• SSO issue with custom federated authenticator product-is#22919

Follwoing changes are added with this PR:

1. Introduce new method to ApplicationAuthenticatorManager class to get serializable IdP by resource Id.
2. Change IdentityProviderManager.getInstance() -> FrameworkServiceDataHolder.getInstance().getIdentityProviderManager()

[malithie]

Add @link annotation and this is not in FrameworkUtils right

[Thisara-Welmilla]

Cannot use link as we need to import framework component here.
Updated the commnet FrameworkUtils -> ApplicationAuthenticatorManager

[sonarqubecloud]

Quality Gate failed

Failed conditions
8.6% Duplication on New Code (required ≤ 3%)

See analysis details on SonarQube Cloud

[jenkins-is-staging]

PR builder started
Link: https://github.com/wso2/product-is/actions/runs/13332521995

[codecov]

Codecov Report

Attention: Patch coverage is 37.50000% with 10 lines in your changes missing coverage. Please review.

Project coverage is 46.96%. Comparing base (64a8b25) to head (bae7081).
Report is 56 commits behind head on master.

Files with missing lines	Patch %	Lines
...ework/config/model/OptimizedApplicationConfig.java	0.00%	4 Missing ⚠️
...n/framework/cache/AuthenticationContextLoader.java	0.00%	2 Missing ⚠️
...ork/config/model/OptimizedAuthenticatorConfig.java	0.00%	2 Missing ⚠️
...internal/core/ApplicationAuthenticatorManager.java	75.00%	2 Missing ⚠️

❌ Your patch status has failed because the patch coverage (37.50%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6498      +/-   ##
============================================
- Coverage     47.15%   46.96%   -0.19%     
- Complexity    15278    15309      +31     
============================================
  Files          1747     1747              
  Lines        105380   106002     +622     
  Branches      19488    19646     +158     
============================================
+ Hits          49694    49786      +92     
- Misses        48631    49143     +512     
- Partials       7055     7073      +18     

Flag	Coverage Δ
unit	30.50% <37.50%> (+0.01%)	⬆️

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[jenkins-is-staging]

PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/13332521995
Status: success

[jenkins-is-staging]

Approving the pull request based on the successful pr build https://github.com/wso2/product-is/actions/runs/13332521995