Describe the bug
The audio for connecting and disconnecting a block does not work on ios.

To Reproduce

Steps to reproduce the behavior:

1. Go to the playground
2. Try to connect to blocks
   Notice how no sound is emitted

Expected behavior
It should make the connecting blocks sound.

Screenshots

Desktop (please complete the following information):

Smartphone (please complete the following information):

• Device: iPhone6, iPhone X
• OS: iOS 12, iOS14
• Browser: Safari
• Version [e.g. 22]

Stack Traces

Unhandled Promise Rejection: NotAllowedError: The request is not allowed by the user agent or the platform in the current context, possibly because the user denied permission.

Additional context