fix: color of labels of radios and spaces in create user

[MarekPetr]

What does this PR change?

Use neutral color for the labels of radios in the create user view - https://localhost:8080/rhn/users/CreateUser.do.
Remove excessive vertical spaces.

Codespace

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GUI diff

Before:

After:

• DONE

Documentation

• No documentation needed: add explanation. This can't be used if there is a GUI diff

• No documentation needed: only internal and user invisible changes

• Documentation issue was created: Link for SUSE Multi-Linux Manager contributors, Link for community contributors.

• API documentation added: please review the Wiki page Writing Documentation for the API if you have any changes to API documentation.

• (OPTIONAL) Documentation PR

• DONE

Test coverage

ℹ️ If a major new functionality is added, it is strongly recommended that tests for the new functionality are added to the Cucumber test suite

• No tests: add explanation

• No tests: already covered

• Unit tests were added

• Cucumber tests were added

• DONE

Links

Issue(s): #8763
Port(s): # add downstream PR(s), if any

• DONE

Changelogs

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• Re-run test "frontend_checks"
• Re-run test "spacecmd_unittests"

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[github-actions]

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You can see the progress at the end of this page and at https://github.com/uyuni-project/uyuni/pull/11487/checks
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You can also check the artifacts section, which contains the logs at https://github.com/uyuni-project/uyuni/pull/11487/checks.

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Reference tests:

• https://github.com/uyuni-project/uyuni/actions/workflows/acceptance_tests_secondary_parallel.yml?query=event%3Aschedule

• https://github.com/uyuni-project/uyuni/actions/workflows/acceptance_tests_secondary.yml?query=event%3Aschedule

KNOWN ISSUES

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Happy hacking!
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[bisht-richa]

Changes look good.
Please add a changelog entry.

[cbbayburt]

Thanks for the contribution, @MarekPetr.

Please have a look at the changelog rules section of the contribution guide for instructions on how to add a changelog entry for your changes.