[Bug]: Original image is can't return correct content-type

[ChiaYen-Kan]

What happened?

when view original image, server is return incorrect content-type in http header

Steps to reproduce the problem

open this original image with browser

What should have happened?

when view image in original size the server must return correct content-type depend on the image type
https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types

What platforms do you use to access the site?

Windows

What browsers do you use to access the site?

Mozilla Firefox, Microsoft Edge

Additional information, context and logs

No response