Refactor the codebase to use the `Uint8Array` instead of `ArrayBuffer`. Requested in https://forum.dfinity.org/t/announcing-picjs-typescript-javascript-support-for-pocketic/24479/161?u=ilbert
Refactor the codebase to use the
Uint8Arrayinstead ofArrayBuffer.Requested in https://forum.dfinity.org/t/announcing-picjs-typescript-javascript-support-for-pocketic/24479/161?u=ilbert