Display 1 subview for `WebImageView` for each image loading source type?

AlphaWallet/Tokens/Views/OpenSea/WebImageView.swift

@@ -23,6 +23,8 @@ class WebImageView: UIView {
     var url: URL? {
         didSet {
             imageView.image = nil
+            setIsLoadingImageFromURL(true)
+            
             if let url = url?.rewrittenIfIpfs {
                 if url.pathExtension == "svg" {
                     switch type {
@@ -44,10 +46,16 @@ class WebImageView: UIView {
     var image: UIImage? {
         didSet {
             imageView.image = image
+            setIsLoadingImageFromURL(false)
             webView.loadHTMLString("", baseURL: nil)
         }
     }
 
+    private func setIsLoadingImageFromURL(_ value: Bool) {
+        imageView.isHidden = value
+        webView.isHidden = !imageView.isHidden
+    }
+
     init(type: ImageType) {
         self.type = type
         url = nil
@@ -101,4 +109,4 @@ class WebImageView: UIView {
               </html>
               """
     }
-}
+}