With a fix in PSReadLine, we don't have to return a "null" key press

modules.json

@@ -6,6 +6,6 @@
         "Version": "1.1.3"
     },
     "PSReadLine": {
-        "Version": "2.2.2"
+        "Version": "2.2.3"
     }
 }

src/PowerShellEditorServices/Services/PowerShell/Host/PsesInternalHost.cs

@@ -1022,13 +1022,6 @@ private void OnCancelKeyPress(object sender, ConsoleCancelEventArgs args)
             }
         }
 
-        private static readonly ConsoleKeyInfo s_nullKeyInfo = new(
-            keyChar: ' ',
-            ConsoleKey.DownArrow,
-            shift: false,
-            alt: false,
-            control: false);
-
         private ConsoleKeyInfo ReadKey(bool intercept)
         {
             // PSRL doesn't tell us when CtrlC was sent.
@@ -1047,11 +1040,7 @@ private ConsoleKeyInfo ReadKey(bool intercept)
 
             // TODO: We may want to allow users of PSES to override this method call.
             _lastKey = System.Console.ReadKey(intercept);
-
-            // TODO: After fixing PSReadLine so that when canceled it doesn't read a key, we can
-            // stop using s_nullKeyInfo (which is a down arrow so we don't change the buffer
-            // content). Without this, the sent key press is translated to an @ symbol.
-            return _readKeyCancellationToken.IsCancellationRequested ? s_nullKeyInfo : _lastKey.Value;
+            return _lastKey.Value;
         }
 
         internal ConsoleKeyInfo ReadKey(bool intercept, CancellationToken cancellationToken)