Addon is in a partial play status when opening the browser

[Porkepix]

Please describe the problem you are having in as much detail as possible:
On browser start, and while the "Autostart while browser start" is off, listen.moe addon is not playing (no sound), but displaying the pause icon, and sending notification of the sound currently playing and the following ones. To stop that, the cause button needs to be clicked not once, but twice. This happens on most of the starts.

Further details:

• Browser version: Firefox 84.0.2
• Operating system: Linux, mac
• Priority this should have – please be realistic and elaborate if possible: