Improve DialectConfigParser to build the final server supported claims set

[amanda-ariyaratne]

Proposed changes in this pull request

In this PR we extend the existing dialect parser to build and get the final server supported claims set.

Related Issue

• Restrict adding custom SCIM attributes only to the custom SCIM schema product-is#23162

[codecov]

Codecov Report

Attention: Patch coverage is 40.00000% with 12 lines in your changes missing coverage. Please review.

Project coverage is 47.16%. Comparing base (309084e) to head (4466237).
Report is 18 commits behind head on master.

Files with missing lines	Patch %	Lines
...tadata/mgt/ClaimMetadataManagementServiceImpl.java	11.11%	7 Missing and 1 partial ⚠️
...y/claim/metadata/mgt/util/DialectConfigParser.java	60.00%	1 Missing and 3 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6535      +/-   ##
============================================
- Coverage     47.17%   47.16%   -0.01%     
- Complexity    15372    15376       +4     
============================================
  Files          1751     1751              
  Lines        105784   105805      +21     
  Branches      19658    19663       +5     
============================================
+ Hits          49903    49907       +4     
- Misses        48821    48834      +13     
- Partials       7060     7064       +4     

Flag	Coverage Δ
unit	30.55% <40.00%> (+<0.01%)	⬆️

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[jenkins-is-staging]

PR builder started
Link: https://github.com/wso2/product-is/actions/runs/13413141360

[jenkins-is-staging]

PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/13413141360
Status: success

[jenkins-is-staging]

Approving the pull request based on the successful pr build https://github.com/wso2/product-is/actions/runs/13413141360