Can create empty media files with just a name even though a file is mandatory

[andr317c]

Which Umbraco version are you using? (Please write the exact version, example: 10.1.0)

15.0.0-rc4

Bug summary

I can create empty media files with just a name, even though the files are required as seen in the UI

Specifics

No response

Steps to reproduce

1. Create any file type with just a name

Expected result / actual result

Since the UI is showing that the file is mandatory, I should not be able to save