Call the transaction creationg helper function and move it

src/EditorFeatures/Core/Implementation/Formatting/FormatCommandHandler.TypeChar.cs

@@ -50,10 +50,5 @@ private void ExecuteCommand(TypeCharCommandArgs args, Action nextHandler, Cancel
 
             return true;
         }
-
-        private CaretPreservingEditTransaction CreateEditTransaction(ITextView view, string description)
-        {
-            return new CaretPreservingEditTransaction(description, view, _undoHistoryRegistry, _editorOperationsFactoryService);
-        }
     }
 }

src/EditorFeatures/Core/Implementation/Formatting/FormatCommandHandler.cs

@@ -53,7 +53,7 @@ private void Format(ITextView textView, Document document, TextSpan? selectionOp
             var formattingService = document.GetLanguageService<IEditorFormattingService>();
 
             using (Logger.LogBlock(FunctionId.CommandHandler_FormatCommand, KeyValueLogMessage.Create(LogType.UserAction, m => m["Span"] = selectionOpt?.Length ?? -1), cancellationToken))
-            using (var transaction = new CaretPreservingEditTransaction(EditorFeaturesResources.Formatting, textView, _undoHistoryRegistry, _editorOperationsFactoryService))
+            using (var transaction = CreateEditTransaction(textView, EditorFeaturesResources.Formatting))
             {
                 var changes = formattingService.GetFormattingChangesAsync(document, selectionOpt, cancellationToken).WaitAndGetResult(cancellationToken);
                 if (changes.Count == 0)
@@ -176,5 +176,10 @@ public void ExecuteReturnOrTypeCommand(EditorCommandArgs args, Action nextHandle
             // caret has moved to wrong position, move it back to correct position
             args.TextView.TryMoveCaretToAndEnsureVisible(oldCaretPosition);
         }
+
+        private CaretPreservingEditTransaction CreateEditTransaction(ITextView view, string description)
+        {
+            return new CaretPreservingEditTransaction(description, view, _undoHistoryRegistry, _editorOperationsFactoryService);
+        }
     }
 }