Fix thumbnails

Shared/Videos/ThumbnailView.swift

@@ -3,38 +3,18 @@ import SwiftUI
 
 struct ThumbnailView: View {
     var url: URL?
-
-    @ObservedObject private var imageManager = ImageManager()
-    private var thumbnails = ThumbnailsModel.shared
-
-    init(url: URL? = nil) {
-        self.url = url
-    }
+    @ObservedObject private var thumbnails = ThumbnailsModel.shared
 
     var body: some View {
-        Group {
-            if imageManager.image != nil {
-                Group {
-                    #if os(macOS)
-                        Image(nsImage: imageManager.image!)
-                            .resizable()
-                    #else
-                        Image(uiImage: imageManager.image!)
-                            .resizable()
-                    #endif
+        WebImage(url: url)
+            .resizable()
+            .onFailure { _ in
+                if let url {
+                    thumbnails.insertUnloadable(url)
                 }
-            } else {
+            }
+            .placeholder {
                 Rectangle().fill(Color("PlaceholderColor"))
             }
-        }
-        .onAppear {
-            guard let url else { return }
-
-            self.imageManager.setOnFailure { _ in
-                self.thumbnails.insertUnloadable(url)
-            }
-            self.imageManager.load(url: url)
-        }
-        .onDisappear { self.imageManager.cancel() }
     }
 }

Shared/Videos/VideoCell.swift

@@ -52,6 +52,7 @@ struct VideoCell: View {
             .contextMenu {
                 VideoContextMenuView(video: video)
             }
+            .id(video.videoID)
     }
 
     private var thumbnailRoundingCornerRadius: Double {