Clean up after extraction cancellation

Correctly clean up half extracted files if a cancellation is requested during `ExtractFileSet`.

Author: jcaillon

CabinetManager/core/CfCabinet.cs

@@ -322,8 +322,14 @@ void Progress(CfSaveEventArgs args) {
                 args.TotalBytesDone = totalNumberOfBytesDone;
                 OnProgress?.Invoke(this, args);
             }
-           
-            fileToExtract.Parent.ExtractFileFromDataBlocks(_reader, relativePathInCab, extractionPath, _cancelToken, Progress);
+
+            try {
+                fileToExtract.Parent.ExtractFileFromDataBlocks(_reader, relativePathInCab, extractionPath, _cancelToken, Progress);
+            } finally {
+                if (File.Exists(extractionPath)) {
+                    File.Delete(extractionPath);
+                }
+            }
 
             File.SetCreationTime(extractionPath, fileToExtract.FileDateTime);
             File.SetLastWriteTime(extractionPath, fileToExtract.FileDateTime);

docs/RELEASE_NOTES.md

@@ -1,3 +1,4 @@
 ## Improvements
 
-Added ICabManager.MoveFileSet to the API.
+- Correctly clean up half extracted files if a cancellation is requested during `ExtractFileSet`.
+-