Using any of the four arrow keys (up, down, left, right) in a keyMatcher (as per the docs) does not prevent the arrow navigation inside the context menu.
A possible solution would be to prevent any arrow-key navigation when a meta key is pressed. Alternatively, arrow-key navigation could be disabled if any keyMatcher evaluates to true.
Using any of the four arrow keys (up, down, left, right) in a keyMatcher (as per the docs) does not prevent the arrow navigation inside the context menu.
A possible solution would be to prevent any arrow-key navigation when a meta key is pressed. Alternatively, arrow-key navigation could be disabled if any keyMatcher evaluates to true.