iOS Firefox - Opening USDZ as file Blob displays Blob name rather than displaying 3D model in AR QuickLook (#not-model-viewer)

[milesgreen]

Description

For iOS Firefox (99) when using auto USDZ to generate file blob, Firefox fails to open AR QuickLook and instead displays the name of the Blob.

Live Demo

• Visit the following page in iOS Firefox
  https://modelviewer-auto-usdz.glitch.me/
• Tap the AR icon
• Observe the browser display the name of the blob rather than opening AR QuickLook

Note: when provided with a USDZ source path, Firefox correctly opens the 3D model in QuickLook

Version

• model-viewer: latest / all

Browser Affected

• Chrome, version: xx.x.xxxx.xx
• Edge
• Firefox, 99
• IE
• Safari

OS

• Android
• iOS
• Linux
• MacOS
• Windows

AR

• WebXR
• SceneViewer
• QuickLook

Issue submitted to Mozilla:
mozilla-mobile/firefox-ios#10513