feat: Asset manager performance (#639)

* feat: Increase file sizes in E2E assets tests.

* Use default chunk size.

e2e/node/basic/assets.test.ts

@@ -51,8 +51,6 @@ describe('assets', () => {
     const assetManager = new AssetManager({
       canisterId,
       agent: await agent,
-      maxSingleFileSize: 1900,
-      maxChunkSize: 1900,
     });
     const readable = randomBytesReadable(fileName, length);
     const key = await assetManager.store(readable);
@@ -86,9 +84,9 @@ describe('assets', () => {
     }
   });
 
-  it('store, get and delete 1KB asset (single chunk)', () => testRandomBytes('1KB.bin', 1000));
+  it('store, get and delete 1MB asset (single chunk)', () => testRandomBytes('1MB.bin', 1000000));
 
-  it('store, get and delete 3KB asset (multiple chunk)', () => testRandomBytes('3KB.bin', 3000));
+  it('store, get and delete 3MB asset (multiple chunk)', () => testRandomBytes('3MB.bin', 3000000));
 
   it('batch process assets and verify asset list', async () => {
     const assetManager = new AssetManager({ canisterId, agent: await agent });