[BUG] Preview Feature is not working correctly in IOS

[neody3]

Describe the bug

Preview Feature is not working correctly in IOS
How to reproduce

Steps to reproduce the behavior:

1. Go to Preview screen
2. Unselect all images
3. Confirm button still clickable when no images selected

Expected behavior

Confirm button is not clickable when no images selected

Screenshots (If contains)

Version information

• Device: Iphone 15 virtual
• OS: 17.0.0
• Package Version: 9.1.0
• Flutter Version: 3.22.0

Additional context

I found that compare two lists is not good here.
Should we use listEquals to compare two lists?
https://api.flutter.dev/flutter/foundation/listEquals.html

flutter_wechat_assets_picker/lib/src/delegates/asset_picker_viewer_builder_delegate.dart

Line 131 in f0a65eb

late final bool isSelectedPreviewing = selectedAssets == previewAssets;

[AlexV525]

I found that compare two lists is not good here. Should we use listEquals to compare two lists? https://api.flutter.dev/flutter/foundation/listEquals.html

flutter_wechat_assets_picker/lib/src/delegates/asset_picker_viewer_builder_delegate.dart

Line 131 in f0a65eb

late final bool isSelectedPreviewing = selectedAssets == previewAssets;

Not related.