WIP: [BB-3967] Show uploaded logo/favicon images
Created by: giantas
Description
These changes aim to show a preview of the updated logos one uploaded.
Supporting information
The changes were recommended as part of this review
Testing instructions
- Sign in to the console
- Navigate to the Theme > Logos page
- Update the logos and confirm that the uploaded logo is displayed instead of the "Upload file" test
- Confirm that the logos display in the sizes that they will appear on the instance
- Confirm that spaces between the elements match the design shown in the linked comment