chore: Config item component improvements

[screspod]

What this PR does / why we need it:

• Makes Radio and Checkbox their own components
• Creates a high order component ConfigItem that injects props that are shared among Input, Textarea, Checkbox, and Radio (id, label, help_text)
• Adds help text support to Textarea, Checkbox and Radio
• Fixes bug in Checkbox and Radio where the incorrect accent color is being used.

Which issue(s) this PR fixes:

https://app.shortcut.com/replicated/story/126513/repurpose-input-component
https://app.shortcut.com/replicated/story/126358/support-the-help-text-config-item-property

Does this PR require a test?

NONE

Does this PR require a release note?

NONE

Does this PR require documentation?

NONE

[github-actions]

This PR has been released (on staging) and is available for download with a embedded-cluster-smoke-test-staging-app license ID.

Online Installer:

curl "https://staging.replicated.app/embedded/embedded-cluster-smoke-test-staging-app/ci/appver-dev-9b5d86a" -H "Authorization: $EC_SMOKE_TEST_LICENSE_ID" -o embedded-cluster-smoke-test-staging-app-ci.tgz

Airgap Installer (may take a few minutes before the airgap bundle is built):

curl "https://staging.replicated.app/embedded/embedded-cluster-smoke-test-staging-app/ci-airgap/appver-dev-9b5d86a?airgap=true" -H "Authorization: $EC_SMOKE_TEST_LICENSE_ID" -o embedded-cluster-smoke-test-staging-app-ci.tgz

Happy debugging!