added var input_source

Author: rpallavisharma

py/selenium/webdriver/common/actions/key_actions.py

@@ -28,6 +28,7 @@ class KeyActions(Interaction):
     def __init__(self, source: KeyInput | PointerInput | WheelInput | None = None) -> None:
         if source is None:
             source = KeyInput(KEY)
+        self.input_source = source
         super().__init__(source)
 
     def key_down(self, letter: str) -> KeyActions: