Allow FileUpload to accept a dynamically created Filesystem object

[kurucu]

I have a multi-tenant app that separates files for each tenant by using a Illuminate\Contracts\Filesystem object, dynamically built at runtime (in my case as a scoped disk).

Unfortunately, this can't be passed into the FileUpload form component in any way, as the only accepted types are strings, defining disks in config/filesystems.php.

Could FileUpload (or BaseFileUpload) be amended to accept dynamic disks?

I think it would just mean allowing BaseFileUpload to store a string diskName or Filesystem disk; and then amending getDisk() to return the disk if it exists, otherwise do what it does already?