Reported by @patent mural
Bug Report: Open image in new tab causes image download instead
`Steps to Reproduce`
- Generate an image
- Right click, open in new tab
`Expected Result`
Image should show in new tab
`Actual Result`
Image downloads rather than displaying.
This is because the MIME type (Content-Type) of the image is binary bytes (application/octet-stream) rather than image/png
`Environment`
Firefox