Client Side Media does not work in Playground

[adamsilverstein]

Description

• Currently fails in Playground
• Research what a fix would require
• Disable in Playground for now (fall back to server side mechanism)

Step-by-step reproduction instructions

1. Launch Playground
2. try uploading media

See WordPress/wordpress-playground#2954

Screenshots, screen recording, code snippet

No response

Environment info

No response

Please confirm that you have searched existing issues in the repo.

• Yes

Please confirm that you have tested with all plugins deactivated except Gutenberg.

• Yes

Please confirm which theme type you used for testing.

• Block
• Classic
• Hybrid (e.g. classic with theme.json)
• Not sure