feat: add .mxf file support (#24644)

* feat: add support for MXF format in media handling

* Updated supported formats documentation to include MXF.
* Added MXF to valid video extensions in tests.
* Registered MXF MIME type in mime-types utility.

* fix: enhance MXF handling in mime-types utility

* Updated video mime type validation to include 'application/mxf'.
* Adjusted asset type determination to recognize MXF as a video container.

* chore: clean up

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Co-authored-by: Jason Rasmussen <jason@rasm.me>

server/src/services/asset-media.service.spec.ts

@@ -110,6 +110,7 @@ const validVideos = [
   '.mp4',
   '.mpg',
   '.mts',
+  '.mxf',
   '.vob',
   '.webm',
   '.wmv',