Previously this method returned headers only when a Content-Type part header was present. Now it is guaranteed to return headers (possibly empty) as long as there is a MultipartFile or Part with the given name. Closes gh-26501
Previously this method returned headers only when a Content-Type part header was present. Now it is guaranteed to return headers (possibly empty) as long as there is a MultipartFile or Part with the given name. Closes gh-26501