Subscribe to WS in video-information

[MatthiasReumann]

Motivation and Context

Currently the viewers counter and dynamic description update doesn't work since the websocket is not initialized properly.

Description

Move .subscribe to parent context videoInformationContext.

Steps for Testing

• 1 Account
• 2 Livestream (1 +Chat and 1 -Chat)

1. Log in
2. Navigate to a livestream (+Chat)
3. Send messages. Should work.
4. Navigation to another livestream (-Chat)
5. Viewers count should increase without reload if you open the livestream in multiple browser windows.
6. 🕺

[github-actions[bot]]

Your Testserver will be ready at https://1146.test.live.mm.rbg.tum.de in a few minutes.

Logins

| Kurs1 | Kurs2 | Kurs3 | Kurs4 | | ---------------------------------------- | ------------------------- | ------------------------- | ------------------------- | | public | public | loggedin | enrolled | | prof1 | prof1 | prof2 | prof1
prof2 | | student1
student2
student3 | student1
student2 | student2
student3 | student1
student2 |