Enable SCIM2 Group based User Filtering Improvements by Default

[dhaura]

Proposed changes in this pull request

• Enabled SCIM2 group based user filtering improvements in order to enforce the correct filtering techniques in the future release of product-is.
• In order to disable these improvements, the following config can be added to the deployment.toml.

[scim2]
enable_group_based_user_filter_improvements = false

Related Issues

• SCIM returns faulty totalResults when the filter parameter is given with pagination parameters product-is#12813

Related PRs

• Add config to get the totalResults by user count #5533
• Get totalResults Value by Total User Count in SCIM2 User API wso2-extensions/identity-inbound-provisioning-scim2#547
• Get totalResults value by user count carbon-kernel#3906
• Improve getUserCountByRole() Method carbon-kernel#3951

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PR builder started
Link: https://github.com/wso2/product-is/actions/runs/10193437109

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PR builder started
Link: https://github.com/wso2/product-is/actions/runs/10193668473

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Approving the pull request based on the successful pr build https://github.com/wso2/product-is/actions/runs/10193668473