File download not start for some mimeType

Describe the bug

When we are calling an API endpoint that response with correct headers and content for download a file with certain extensions the download doesn't start.
The response has the Content-Disposition and Content-Type but they are ignored and instead of downloading, the file's content is displayed, probably because the mimetype is not handled correctly.

Expected behavior

The download of the file starts and is shown the response in the UI.

Current behavior

The download of the file doesn't start and is shown also the content in the response in the UI

Steps to reproduce

Pre-requirements: having an endpoint API that can be used to download every type of file.
Call that endpoint with UI

Screenshots

Example of p7m:

Example of txt:

Your Environment

• Version used: v3.0.0-beta.4 (Docusaurus version 3.1.0)
• Environment name and version:
  • Docusaurus side: Chrome Browser 122.0.6261.71 (Official build 64 bit);
  • BE side: SpringBoot BE engine and NGINX web server
• Operating System and version (desktop or mobile): Windows 11 Desktop

Start by reproducing the download in the generated UI with the reported p7m and txt responses, using an endpoint that returns Content-Disposition and Content-Type. Trace the frontend response handling to find why the content is displayed instead of downloaded; done means both file types start a download while the response remains usable in the UI.