Option to send photos as high quality

ts/util/canvasToArrayBuffer.ts

@@ -1,17 +1,11 @@
 // Copyright 2021 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
+import { canvasToBlob } from './canvasToBlob';
+
 export async function canvasToArrayBuffer(
   canvas: HTMLCanvasElement
 ): Promise<ArrayBuffer> {
-  const blob: Blob = await new Promise<Blob>((resolve, reject) => {
-    canvas.toBlob(result => {
-      if (result) {
-        resolve(result);
-      } else {
-        reject(new Error("Couldn't convert the canvas to a Blob"));
-      }
-    }, 'image/webp');
-  });
+  const blob = await canvasToBlob(canvas);
   return blob.arrayBuffer();
 }