Naming it as isSuccess to match what it check

Author: dreampiggy

SDWebImageSwiftUI/Classes/ImageManager.swift

@@ -16,7 +16,7 @@ class ImageManager : ObservableObject {
 
     var manager = SDWebImageManager.shared
     weak var currentOperation: SDWebImageOperation? = nil
-    var isFinished: Bool = false // true means request end, load() do nothing
+    var isSuccess: Bool = false // true means request for this URL is ended forever, load() do nothing
     var isIncremental: Bool = false // true means during incremental loading
 
     var url: URL?
@@ -70,7 +70,7 @@ class ImageManager : ObservableObject {
                 self.isLoading = false
                 self.progress = 1
                 if let image = image {
-                    self.isFinished = true
+                    self.isSuccess = true
                     self.successBlock?(image, cacheType)
                 } else {
                     self.failureBlock?(error ?? NSError())

SDWebImageSwiftUI/Classes/WebImage.swift

@@ -55,14 +55,14 @@ public struct WebImage : View {
                 .frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity)
                 .onAppear {
                     guard self.retryOnAppear else { return }
-                    if !self.imageManager.isFinished {
+                    if !self.imageManager.isSuccess {
                         self.imageManager.load()
                     }
                 }
                 .onDisappear {
                     guard self.cancelOnDisappear else { return }
                     // When using prorgessive loading, the previous partial image will cause onDisappear. Filter this case
-                    if !self.imageManager.isFinished && !self.imageManager.isIncremental {
+                    if !self.imageManager.isSuccess && !self.imageManager.isIncremental {
                         self.imageManager.cancel()
                     }
                 }