More defensive use of isTypeSupported

src/client/lazy-app/util/web-codecs/index.ts

@@ -1,12 +1,19 @@
 import { drawableToImageData } from '../canvas';
 
 const hasImageDecoder = typeof ImageDecoder !== 'undefined';
+
 export async function isTypeSupported(mimeType: string): Promise<boolean> {
-  if (!hasImageDecoder) {
+  if (!hasImageDecoder) return false;
+  // Some old versions of this API threw here.
+  // It only impacted folks with experimental web platform flags enabled in Chrome 90.
+  // The API was updated in Chrome 91.
+  try {
+    return await ImageDecoder.isTypeSupported(mimeType);
+  } catch (err) {
     return false;
   }
-  return ImageDecoder.isTypeSupported(mimeType);
 }
+
 export async function decode(
   blob: Blob | File,
   mimeType: string,