[File Input] - Design: Read only version of File Input

Description

Create design for a read-only state to a previously uploaded File Input.

TBD

[ ] Conduct small audit if necessary (if component already exists and we are building a new version)
[ ] Review DST backlog for outstanding design issues with this component, if necessary (if this component already exists and we are building a new version)
[ ] Create designs for component
[ ] Review designs with PO and DST designers
[ ] Review designs with developers and accessibility specialist
[ ] Review designs with DST members (Carol can help schedule this)
[ ] Address any comments from reviews, if necessary
[ ] Comment on this ticket with any accessibility considerations engineers may need to know
[ ] Comment on this ticket with content specifications (e.g. labels and error messages)
[ ] Comment on this ticket with a link to the designs and post in DST Slack channel

[ ] Component design is complete and has been reviewed
[ ] Accessibility and development considerations have been added to this ticket, if necessary
[ ] Content specifications have been added to this ticket, if necessary
[ ] Link to design has been added to this ticket and shared in Slack