Unit Sync Modal: Show component previews

[sdaitzman]

Note: These specs and design are not final

Designs

Figma link

Spec

• Update the sync modals so the before and after dif for units show component previews
• Same status bar pattern as is currently implemented

Not in Scope:

• Unlink: Unlink is part of a separate ticket Sync Modal: Unlink Within Sync Modal #2672