Support for ControlOrMeta KeyboardModifier

Fixes #3968

Author: aaltat

Browser/utils/data_types.py

@@ -833,6 +833,7 @@ class KeyboardModifier(Enum):
 
     Alt = auto()
     Control = auto()
+    ControlOrMeta = auto()
     Meta = auto()
     Shift = auto()
 

atest/test/02_Content_Keywords/click_with_options.robot

@@ -19,6 +19,7 @@ Click With All Modifier
     ...    left
     ...    Alt
     ...    Control
+    ...    ControlOrMeta
     ...    Meta
     ...    Shift
     Get Text    \#mouse_button    ==    left