Add a FieldCheckbox component

[bl-nero]

This PR adds a component for labeled checkboxes, as specified in Figma. It's the first in a chain of PRs that push this feature through our codebase without (hopefully) breaking the build on the OSS/Enterprise boundary.

Followed up by Enterprise PR https://github.com/gravitational/teleport.e/pull/4430 Followed up by OSS PR https://github.com/gravitational/teleport/pull/43173 Contributes to #42573

Manual tests:

• [x] Login dialog in the Community Edition mode
• [x] Unified Resources: interacting with tiles and the filter panel
• [x] Editing AWS OIDC integration
• [x] Security group picker (EC2 Ice or automatically deploying a database service)

[github-actions[bot]]

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