Add getSyncedUserAttributes method

[amanda-ariyaratne]

Purpose

Part of wso2/product-is#22610

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.43%. Comparing base (59ea797) to head (6d01fd7).

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #600      +/-   ##
============================================
+ Coverage     47.34%   47.43%   +0.09%     
+ Complexity     1130     1051      -79     
============================================
  Files            41       41              
  Lines          9139     9155      +16     
  Branches       2431     2432       +1     
============================================
+ Hits           4327     4343      +16     
  Misses         3883     3883              
  Partials        929      929              

Flag	Coverage Δ
unit	33.07% <100.00%> (+0.15%)	⬆️

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[jenkins-is-staging]

PR builder started
Link: https://github.com/wso2/product-is/actions/runs/13071111643

[jenkins-is-staging]

PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/13071111643
Status: failure

[jenkins-is-staging]

PR builder started
Link: https://github.com/wso2/product-is/actions/runs/13118602252

[jenkins-is-staging]

PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/13118602252
Status: failure

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
6 out of 7 committers have signed the CLA.

✅ PasinduYeshan
✅ ThaminduDilshan
✅ amanda-ariyaratne
✅ ashanthamara
✅ lashinijay
✅ AnuradhaSK
❌ wso2-jenkins-bot
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[amanda-ariyaratne]

Closing because the changes are captured in #605