feat (User Management): add query params search and include_settings to list_users operation

[PureMathematics]

PR summary

Update Include_settings and substring search functionality (User Management)

PR Checklist

Please make sure that your PR fulfills the following requirements:

• The commit message follows the Angular Commit Message Guidelines.
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

Current vs new behavior

Does this PR introduce a breaking change?

• Yes
• No

Other information

the current issue for updating SDK https://github.ibm.com/IAM/uum/issues/5882
the previous issue for the user management code change https://github.ibm.com/IAM/uum/issues/4948

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[padamstx]

Changes look good except for the same issues as the other PRs:

1. use git commit -s option
2. one code fragment per operation in the examples

Also, please run "make lint-fix" in your sandbox to reformat the source files and then commit those results (see update_service.md).

[PureMathematics]

integration test

[PureMathematics]

examples test

[padamstx]

LGTM

[ibm-devx-sdk]

🎉 This PR is included in version 0.35.0 🎉

The release is available on GitHub release

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