[Bug]: writeMemoryVideoToFile fail when app folder does not exist

### Package Version

1.6.2

### Flutter Version

3.41.4

### Platforms

macOS

### How to reproduce?

Just using sample app on macos target fail when working with any EditorVideoType.memory source.

### Logs (optional)

```sh

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### Example code (optional)

```Dart

```

### Device Model (optional)

_No response_