Exclude OIDC Session Management for Secondary Device in Device Grant Flow

[SujanSanjula96]

Proposed changes in this pull request

From this PR, OIDC Session Management is excluded for Secondary Device in Device Grant Flow. With that, NPE when getting session state param due to null callback URL is fixed.

Issue - wso2/product-is#16867

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PR builder started
Link: https://github.com/wso2/product-is/actions/runs/12131667424

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 56.44%. Comparing base (654bc26) to head (b449b90).

Files with missing lines	Patch %	Lines
...tity/oauth/endpoint/authz/OAuth2AuthzEndpoint.java	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2639      +/-   ##
============================================
+ Coverage     56.43%   56.44%   +0.01%     
+ Complexity     8188     8180       -8     
============================================
  Files           632      632              
  Lines         46323    46323              
  Branches       8245     8245              
============================================
+ Hits          26141    26148       +7     
+ Misses        16469    16457      -12     
- Partials       3713     3718       +5     

Flag	Coverage Δ
unit	38.68% <0.00%> (+0.02%)	⬆️

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PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/12131667424
Status: success

[jenkins-is-staging]

Approving the pull request based on the successful pr build https://github.com/wso2/product-is/actions/runs/12131667424