Add formatting for CA2247 example (#49088)

Author: kurnakovv

docs/fundamentals/code-analysis/quality-rules/ca2247.md

@@ -35,11 +35,11 @@ The TaskCompletionSource type has a constructor that accepts a <xref:System.Thre
 To fix the violation, replace the <xref:System.Threading.Tasks.TaskContinuationOptions?displayProperty=fullName> enum value with the corresponding <xref:System.Threading.Tasks.TaskCreationOptions?displayProperty=fullName> enum value.
 
 ```csharp
-    // Violation
-    var tcs = new TaskCompletionSource<int>(TaskContinuationOptions.RunContinuationsAsynchronously);
+// Violation
+var tcs = new TaskCompletionSource<int>(TaskContinuationOptions.RunContinuationsAsynchronously);
 
-    // Fixed
-    var tcs = new TaskCompletionSource<int>(TaskCreationOptions.RunContinuationsAsynchronously);
+// Fixed
+var tcs = new TaskCompletionSource<int>(TaskCreationOptions.RunContinuationsAsynchronously);
 ```
 
 ## When to suppress warnings