Fix ImageMetadata typo

Author: lofcz

src/ImageSharp/Metadata/ImageMetadata.cs

@@ -165,7 +165,7 @@ public double VerticalResolution
     public CicpProfile? CicpProfile { get; set; }
 
     /// <summary>
-    /// Gets the original format, if any, the image was decode from.
+    /// Gets the original format, if any, from which the image was decoded.
     /// </summary>
     public IImageFormat? DecodedImageFormat { get; internal set; }