Symfony version(s) affected: 5.0.7

Description
I have 2 basic SF projects, one is a fileupload microservice and an admin interface for the users. The workflow is that the user first uploads the file in the admin interface and then it makes a post request internally to the microservice.
After some debugging, I realized the problem is with the name of the file.

How to reproduce
The upload controller in the MC is a simple Symfony controller.

public function upload(Request $request)
{
    $uploadedFile = $this->request->files->get('file');
    ....
}

If I call this endpoint with the HTTP client and with a specified filename, the $uploadedFile is null.

The post request with the HTTP client is the same as the example in the Symfony documentation.

public function upload(string $filePath, string $originalFilename): ?string
    {
        $formFields = [
            'file' => DataPart::fromPath($filePath, $originalFilename),
        ];
        $formData = new FormDataPart($formFields);

        $options = [
            'headers' => $formData->getPreparedHeaders()->toArray(),
            'body' => $formData->bodyToIterable(),
        ];

        $response = $this->client->request('POST', self::RESOURCE_PATH, $options);

If the originalFilename is a uuid or it's not specified, everything is ok.

Possible Solution
I can only assume, that the problem is in the HTTP client, but I have no idea where to search for it.

Additional context

Headers:

Content-Disposition: form-data; name=file; filename=58a21f90-ae95-4758-b72b-45f14eddf62d.jpeg

But if I have the original file with the filename: Canon EOS 5DS R (8688 × 5792).JPG

Content-Disposition: form-data; name=file; filename*=utf-8''Canon%20EOS%205DS%20R%20%288688%E2%80%8A%C3%97%E2%80%8A5792%29.JPG

In this case, the $_FILE global variable is simply empty.