Testsuite: Change references to checkboxes

[elariekerboull]

What does this PR change?

Changing the checkbox reference in hopes of reducing the amount of flaky tests linked to the checkbox not being checked as expected.

GUI diff

No difference.

• DONE

Documentation

• No documentation needed: only internal and user invisible changes
• DONE

Test coverage

• Cucumber tests were added
• DONE

Links

Fixes #
Tracks #
4.2 https://github.com/SUSE/spacewalk/pull/22248
4.3 https://github.com/SUSE/spacewalk/pull/22197

• DONE

Changelogs

Make sure the changelogs entries you are adding are compliant with https://github.com/uyuni-project/uyuni/wiki/Contributing#changelogs and https://github.com/uyuni-project/uyuni/wiki/Contributing#uyuni-projectuyuni-repository

If you don't need a changelog check, please mark this checkbox:

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Re-run a test

If you need to re-run a test, please mark the related checkbox, it will be unchecked automatically once it has re-run:

• Re-run test "changelog_test"
• Re-run test "backend_unittests_pgsql"
• Re-run test "java_pgsql_tests"
• Re-run test "schema_migration_test_pgsql"
• Re-run test "susemanager_unittests"
• Re-run test "javascript_lint"
• Re-run test "spacecmd_unittests"