Provide proper media type for list items

*I'm submitting a ...*
- [X] bug report
- [ ] feature request
- [ ] support request

## General infomration

### Prerequisites

* [X] Are you running the latest version?

### Description

Series cannot be started with yatse.

### Steps to Reproduce

When I click on a series I don’t get to the season selection. (Yatse).

**Expected behavior:**
Season selection

**Actual behavior:**
Kodi only shows the load symbol and nothing happens after a few seconds.
## Context (Environment)

### Installation

* [ ] I installed the plugin via zip from the Releases page
* [X] I´m using the Netflix Repo
* [ ] I´m using a different source (Please tell which)

### Operating System

* [ ] Linux (x86/x64)
* [ ] OSX (x86/x64)
* [X] Windows (x86/x64)
* [ ] Linux (ARM)
* [ ] Android

#### Additional informatin on the environment

[Descripe your environment a bit more detailed, are you using LibreElec f.e.]

## Debug log
Kodi log
https://pastebin.com/pee39TRs

Yatse Log
https://pastebin.com/D48FQxJT

## Other information

https://community.yatse.tv/t/netflix-addon-cannot-be-controlled-via-yatse/402

### Screenshots