[py] added truthy check in chromium options instead of identity opera…

…tor (#12274)

py/selenium/webdriver/chromium/options.py

@@ -162,7 +162,7 @@ def headless(self, value: bool) -> None:
             stacklevel=2,
         )
         args = {"--headless"}
-        if value is True:
+        if value:
             self._arguments.extend(args)
         else:
             self._arguments = list(set(self._arguments) - args)