When we use a CDN the images come from an origin different than the site so
unless we mark them for CORS the canvas where they are painted will be tainted.

Ref: https://developer.mozilla.org/en-US/docs/Web/HTML/CORS_enabled_image

THis will reuse the previously cached image and obey the base href.

Ref:
https://stackoverflow.com/questions/6241716/is-there-a-difference-between-new-image-and-document-createelementimg

That means all browsers except Safari, for now.

In addition, use the 96p model (instead of the 144p one) on browsers without SIMD support.

Use the Google Meet model and SIMD optimized WASM.

* feat(blur): terminate blur web worker when disabled