Add gql default support

[AmaliMatharaarachchi]

Purpose

Fix #2180

Goals

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Approach

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User stories

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Release note

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Documentation

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Training

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Certification

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Marketing

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Automation tests

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• Integration tests

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Security checks

• Followed secure coding standards in http://wso2.com/technical-reports/wso2-secure-engineering-guidelines? yes/no
• Ran FindSecurityBugs plugin and verified report? yes/no
• Confirmed that this PR doesn't commit any keys, passwords, tokens, usernames, or other secrets? yes/no

Samples

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Related PRs

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Migrations (if applicable)

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Test environment

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Learning

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 28.41%. Comparing base (19d20eb) to head (fc3258a).
Report is 69 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2216      +/-   ##
==========================================
- Coverage   28.54%   28.41%   -0.14%     
==========================================
  Files         124      124              
  Lines       14578    14554      -24     
  Branches     2681     2681              
==========================================
- Hits         4162     4135      -27     
- Misses      10278    10282       +4     
+ Partials      138      137       -1     

Flag	Coverage Δ
adapter	28.44% <ø> (-0.24%)	⬇️
common-controller	4.07% <ø> (ø)
config-deployer-service	25.99% <ø> (ø)
idp-domain-service	80.21% <ø> (ø)

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