ImageInfo.FrameMetadataCollection not populated for animated webp images

[andreas-eriksson]

Prerequisites

• I have written a descriptive issue title
• I have verified that I am running the latest version of ImageSharp
• I have verified if the problem exist in both DEBUG and RELEASE mode
• I have searched open and closed issues to ensure it has not already been reported

ImageSharp version

3.1.11

Other ImageSharp packages and versions

N/A

Environment (Operating system, version and so on)

Windows

.NET Framework version

.NET 9

Description

The FrameMetadataCollection of ImageInfo is not populated for animated webp images and is always 0.

Steps to Reproduce

var imageInfo = Image.Identify(stream);
var numFrames = imageInfo.FrameMetadataCollection.Count;

Images

No response