Trying to load private videos causes websocket connection to close

[Phixyn]

Description

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After trying to load a private video into the player, users are no longer able to load new videos. This happens because the connection to the websocket server is closed.

Steps to reproduce

A list of steps to reproduce the behavior.

1. Load the page
2. Enter the ID or URL of a private YouTube video and click Update
3. Enter a valid ID or URL for a video and click Update

Expected behavior

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New videos should be loaded and played.

Screenshots

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Desktop

If using the website on desktop, please complete the following information.

• OS [e.g. Windows]: Windows 10
• Browser [e.g. Firefox, Chrome]: Firefox
• Browser version [e.g. 22]: 86.0.1 (64-bit)

Mobile

If using the website on mobile, please complete the following information.

• Device [e.g. Google Pixel]: -
• OS: [e.g. Android 10]: -
• Browser [e.g. Chrome]: -
• Browser version [e.g. 22]: -

Additional information

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Console log:

22:35:10.954 [INFO] Loading new video in player with ID '<removed>'.
22:35:10.955 [DEBUG] Sending request for video info to Python server.
22:35:10.964 XHRPOST https://www.youtube.com/youtubei/v1/embedded_player?key=<removed>
[HTTP/2 400 Bad Request 141ms]

22:35:11.544 [INFO] Websocket server connection closed.
22:35:11.544 close { target: WebSocket, isTrusted: true, wasClean: false, code: 1011, reason: "", srcElement: WebSocket, currentTarget: WebSocket, eventPhase: 2, bubbles: false, cancelable: false, … }
22:35:14.694 [DEBUG] Interval cleared from onPlayerStateChange.