Improve user authorization check when accessing org is different from resident org

[ShanChathusanda93]

Proposed changes in this pull request

• $subject
• Part of the fix for : Support for creating OAuth 2.0 clients inside B2B organizations for B2B API access wso2/product-is#21208
• From this change if the authenticated user contains a different accessing organization than the resident organization, then the authorization check will be happen against the accessing organization.
• This is a supportive implementation for Improve authorization when accessing the organization resources from tenant perspective identity-carbon-auth-rest#299 and the new implementation will be executed from [1].

[1] https://github.com/wso2-extensions/identity-carbon-auth-rest/blob/9eb3d1380f3af32c35de98591dd2c5a5bb728026/components/org.wso2.carbon.identity.authz.service/src/main/java/org/wso2/carbon/identity/authz/service/handler/AuthorizationHandler.java#L109

When should this PR be merged

This PR needs to be merged before merging wso2-extensions/identity-carbon-auth-rest#299

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.

Project coverage is 56.36%. Comparing base (e9a9049) to head (4b205a4).
Report is 122 commits behind head on master.

Files with missing lines	Patch %	Lines
...rg/wso2/carbon/identity/oauth2/util/AuthzUtil.java	0.00%	6 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2652      +/-   ##
============================================
- Coverage     56.54%   56.36%   -0.19%     
- Complexity     8264     8265       +1     
============================================
  Files           632      632              
  Lines         46702    47301     +599     
  Branches       8482     8612     +130     
============================================
+ Hits          26406    26659     +253     
- Misses        16585    16857     +272     
- Partials       3711     3785      +74     

Flag	Coverage Δ
unit	38.84% <0.00%> (-0.01%)	⬇️

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[jenkins-is-staging]

PR builder started
Link: https://github.com/wso2/product-is/actions/runs/12913420267

[jenkins-is-staging]

PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/12913420267
Status: success

[jenkins-is-staging]

Approving the pull request based on the successful pr build https://github.com/wso2/product-is/actions/runs/12913420267

[Thumimku]

Let's add unit test as soon as possible. @ShanChathusanda93