fix: consume blob stream correctly (#5706)

- use correctly endpoint in r2
- consume blob stream correctly

packages/backend/server/src/fundamentals/storage/providers/r2.ts

@@ -10,6 +10,7 @@ export class R2StorageProvider extends S3StorageProvider {
     super(
       {
         ...config,
+        forcePathStyle: true,
         endpoint: `https://${config.accountId}.r2.cloudflarestorage.com`,
       },
       bucket

packages/backend/server/src/fundamentals/storage/providers/s3.ts

@@ -49,7 +49,7 @@ export class S3StorageProvider implements StorageProvider {
         new PutObjectCommand({
           Bucket: this.bucket,
           Key: key,
-          Body: body,
+          Body: blob,
 
           // metadata
           ContentType: metadata.contentType,