Apply suggested fix for #4038

Co-authored-by: Duncan Booth <[email protected]>

Author: davep

src/textual/drivers/win32.py

@@ -264,7 +264,7 @@ def run(self) -> None:
                         # Key event, store unicode char in keys list
                         key_event = input_record.Event.KeyEvent
                         key = key_event.uChar.UnicodeChar
-                        if key_event.bKeyDown or key == "\x1b":
+                        if key_event.bKeyDown:
                             if (
                                 key_event.dwControlKeyState
                                 and key_event.wVirtualKeyCode == 0