Fix hybrid flow for configuring multiple hybrid flow response types

[Thumimku]

Proposed changes in this pull request

Issue: wso2/product-is#21140

HybridFlowConfigVideo.mp4

[jenkins-is-staging]

PR builder started
Link: https://github.com/wso2/product-is/actions/runs/12844362203

[codecov]

Codecov Report

Attention: Patch coverage is 78.12500% with 7 lines in your changes missing coverage. Please review.

Project coverage is 55.56%. Comparing base (fad2923) to head (1b676f1).
Report is 18 commits behind head on master.

Files with missing lines	Patch %	Lines
...rg/wso2/carbon/identity/oauth/dao/OAuthAppDAO.java	83.33%	2 Missing and 1 partial ⚠️
...dentity/oauth/config/OAuthServerConfiguration.java	60.00%	1 Missing and 1 partial ⚠️
...lidators/AbstractResponseTypeRequestValidator.java	77.77%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2677      +/-   ##
============================================
+ Coverage     55.52%   55.56%   +0.03%     
- Complexity     8249     8316      +67     
============================================
  Files           632      632              
  Lines         48573    48658      +85     
  Branches       8934     8990      +56     
============================================
+ Hits          26970    27036      +66     
- Misses        17734    17760      +26     
+ Partials       3869     3862       -7     

Flag	Coverage Δ
unit	39.03% <78.12%> (+0.08%)	⬆️

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PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/12844362203
Status: success

[jenkins-is-staging]

Approving the pull request based on the successful pr build https://github.com/wso2/product-is/actions/runs/12844362203