[CLI] Fix deleting of temp files

AssetStudio/BundleFile.cs

@@ -196,7 +196,7 @@ namespace AssetStudio
                 var hash = path.GetHashCode();
                 path = Path.Combine(tempDir, $"{filename}_{hash:X}");
             }
-            return new FileStream(path + ".temp", FileMode.Create, FileAccess.ReadWrite, FileShare.Read, 4096, FileOptions.DeleteOnClose);
+            return new TempFileStream(path + ".temp", FileMode.Create);
         }
 
         private Stream ReadBlocksAndDirectory(FileReader reader)

AssetStudio/TempFileStream.cs

@@ -0,0 +1,40 @@
+using System.IO;
+using System.Runtime.InteropServices;
+
+namespace AssetStudio
+{
+    public class TempFileStream : FileStream
+    {
+        private readonly string _tempFilePath;
+        private bool _disposed;
+
+        public TempFileStream(string path, FileMode fileMode, FileAccess fileAccess = FileAccess.ReadWrite, FileShare fileShare = FileShare.Read, int bufferSize = 4096)
+            : base(path, fileMode, fileAccess, fileShare, bufferSize, FileOptions.DeleteOnClose)
+        {
+            _tempFilePath = path;
+        }
+
+        public override void Close()
+        {
+            Dispose(true);
+        }
+
+        protected override void Dispose(bool disposing)
+        {
+            if (_disposed) 
+                return;
+
+            base.Dispose(disposing);
+            
+            if (disposing)
+            {
+                if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows) && File.Exists(_tempFilePath))
+                {
+                    File.Delete(_tempFilePath);
+                }
+
+                _disposed = true;
+            }
+        }
+    }
+}

AssetStudioCLI/Program.cs

@@ -73,6 +73,7 @@ namespace AssetStudioCLI
             }
             finally
             {
+                Studio.Clear();
                 cliLogger.LogToFile(LoggerEvent.Verbose, "---Program ended---");
             }
         }       

AssetStudioCLI/Studio.cs

@@ -1303,5 +1303,11 @@ namespace AssetStudioCLI
                 "Nothing exported.";
             Logger.Default.Log(LoggerEvent.Info, status, ignoreLevel: true);
         }
+
+        public static void Clear()
+        {
+            assetsManager.Clear();
+            assemblyLoader.Clear();
+        }
     }
 }