bug(AMF Encode): Uncaught TypeError setting getter-only property "value"

[HackingRepo]

To reproduce that, drag AMF Encode and set the input simply to {"a": true}
as you can see an unhandled TypeError appear thrown as that

AMF Encode - TypeError in https://gchq.github.io/CyberChef/modules/Encodings.js on line 2.<br><br>Message: setting getter-only property "value"

Direct Test Links:

• https://gchq.github.io/CyberChef/#recipe=AMF_Encode('AMF3')&input=eyJhIjogdHJ1ZX0&oenc=65001&oeol=VT
• https://gchq.github.io/CyberChef/#recipe=AMF_Encode('AMF3')&input=eyJhIjogbnVsbH0&oenc=65001&oeol=VT
• https://gchq.github.io/CyberChef/#recipe=AMF_Encode('AMF3')&input=eyJhIjogZmFsc2V9&oenc=65001&oeol=VT