fix: 修复AutoPathing下的非顶层文件夹不显示图标的问题 (#1665)

Author: Patrick-Ze

BetterGenshinImpact/ViewModel/Pages/MapPathingViewModel.cs

@@ -57,20 +57,28 @@ private void InitScriptListViewData()
         // 循环写入 root.Children
         foreach (var item in root.Children)
         {
-            // 补充图标
-            if (!string.IsNullOrEmpty(item.FilePath) && File.Exists(Path.Combine(item.FilePath, "icon.ico")))
-            {
-                item.IconFilePath = Path.Combine(item.FilePath, "icon.ico");
-            }
-            else
-            {
-                item.IconFilePath = item.FilePath;
-            }
-
+            SetIconForNodeAndChildren(item);
             TreeList.Add(item);
         }
     }
 
+    private void SetIconForNodeAndChildren(FileTreeNode<PathingTask> node)
+    {
+        if (!string.IsNullOrEmpty(node.FilePath) && File.Exists(Path.Combine(node.FilePath, "icon.ico")))
+        {
+            node.IconFilePath = Path.Combine(node.FilePath, "icon.ico");
+        }
+        else
+        {
+            node.IconFilePath = node.FilePath;
+        }
+
+        foreach (var child in node.Children)
+        {
+            SetIconForNodeAndChildren(child);
+        }
+    }
+
     public override void OnNavigatedTo()
     {
         InitScriptListViewData();