Add support to connect with AI branding service

[sahandilshan]

Purpose

Provide the support to connect with AI Branding Microservice

Related Issue(s)

• AI-Powered Branding feature wso2/product-is#20039

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[codecov]

Codecov Report

Attention: Patch coverage is 73.60406% with 52 lines in your changes missing coverage. Please review.

Project coverage is 49.06%. Comparing base (2f70240) to head (979e4b3).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
...ement/core/ai/BrandingAIPreferenceManagerImpl.java	70.66%	17 Missing and 5 partials ⚠️
...nagement/core/ai/BrandingAIAccessTokenService.java	83.72%	9 Missing and 5 partials ⚠️
...ment/core/exception/BrandingAIClientException.java	28.57%	10 Missing ⚠️
...ment/core/exception/BrandingAIServerException.java	71.42%	4 Missing ⚠️
...e/internal/BrandingPreferenceManagerComponent.java	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #46      +/-   ##
============================================
+ Coverage     44.60%   49.06%   +4.45%     
- Complexity      141      170      +29     
============================================
  Files            25       29       +4     
  Lines          1085     1282     +197     
  Branches        157      174      +17     
============================================
+ Hits            484      629     +145     
- Misses          544      586      +42     
- Partials         57       67      +10     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[jenkins-is-staging]

PR builder started
Link: https://github.com/wso2/product-is/actions/runs/11085769643

[jenkins-is-staging]

PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/11085769643
Status: success

[jenkins-is-staging]

Approving the pull request based on the successful pr build https://github.com/wso2/product-is/actions/runs/11085769643

[jenkins-is-staging]

PR builder started
Link: https://github.com/wso2/product-is/actions/runs/12878011377

[jenkins-is-staging]

PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/12878011377
Status: failure