Match the behavior when using resizable on AnimatedImage

Author: dreampiggy

SDWebImageSwiftUI/Classes/AnimatedImage.swift

@@ -318,6 +318,11 @@ public struct AnimatedImage : PlatformViewRepresentable {
         view.wrapped.contentMode = contentMode
         #endif
 
+        // Resizable
+        if let _ = imageLayout.resizingMode {
+            view.resizable = true
+        }
+        
         // Animated Image does not support resizing mode and rendering mode
         if let image = view.wrapped.image, !image.sd_isAnimated, !image.conforms(to: SDAnimatedImageProtocol.self) {
             var image = image

SDWebImageSwiftUI/Classes/ImageViewWrapper.swift

@@ -17,6 +17,7 @@ public class AnimatedImageViewWrapper : PlatformView {
     var wrapped = SDAnimatedImageView()
     var interpolationQuality = CGInterpolationQuality.default
     var shouldAntialias = false
+    var resizable = false
 
     override public func draw(_ rect: CGRect) {
         #if os(macOS)
@@ -49,10 +50,15 @@ public class AnimatedImageViewWrapper : PlatformView {
         /// The container will measure its own size with 1:1 firstly, then change image view size, which cause image view sizing smaller than expected
         /// Instead, the container should firstly return its own size with image view's aspect ratio
         let size = wrapped.intrinsicContentSize
-        if size.width > 0 && size.height > 0  {
-            return size
+        if resizable {
+            if size.width > 0 && size.height > 0  {
+                return size
+            } else {
+                return super.intrinsicContentSize
+            }
         } else {
-            return super.intrinsicContentSize
+            /// Not resizable, always use image size, like SwiftUI.Image
+            return size
         }
     }