update composer with image upload

src/utils/createBlobFromFile.tsx

@@ -1,6 +1,6 @@
 import { readBinaryFile } from '@tauri-apps/api/fs';
 
-export async function createBlobFromFile(path: string): Promise<Blob> {
+export async function createBlobFromFile(path: string): Promise<Uint8Array> {
   const file = await readBinaryFile(path);
-  return new Blob([file]);
+  return file;
 }