Fix roles retrieval in user info response for sub org and fragment apps.

[SujanSanjula96]

Proposed changes in this pull request

Currently when the user attribute are not cached, all the roles are returned in UserInfo response. When fixing this bug for root org apps, we need to consider backward compatibility. But for sub organization apps and shared apps, we can give the correct behaviour since,

• Userinfo endpoint can't be externally called for shared apps.
• Sub organization apps are newly introduced feature which doesn't need backward compatibility.

Related Issue - wso2/product-is#22984

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Link: https://github.com/wso2/product-is/actions/runs/13394646202

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[codecov]

Codecov Report

Attention: Patch coverage is 60.00000% with 8 lines in your changes missing coverage. Please review.

Project coverage is 56.02%. Comparing base (501cde5) to head (7a47c74).
Report is 55 commits behind head on master.

Files with missing lines	Patch %	Lines
...carbon/identity/oauth/endpoint/util/ClaimUtil.java	60.00%	5 Missing and 3 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2721      +/-   ##
============================================
- Coverage     56.61%   56.02%   -0.60%     
- Complexity     8537     8667     +130     
============================================
  Files           654      654              
  Lines         48417    49623    +1206     
  Branches      10111    10469     +358     
============================================
+ Hits          27413    27802     +389     
- Misses        17109    17838     +729     
- Partials       3895     3983      +88     

Flag	Coverage Δ
unit	39.96% <60.00%> (+0.19%)	⬆️

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Status: success

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Approving the pull request based on the successful pr build https://github.com/wso2/product-is/actions/runs/13404761933