Prefab editing event listeners.

Hi,

why it's so bad when you are editing a prefab in prefab editor/menu and you want to just remove one attached event from center of list of events(for this example - onclick event). Plus you have already deployed a button on scene. If you remove the middle event then whole list under the removed event is gone on the button in the scene.

I dont mean that it's a feature but bug.

Unity version 2019.1.7f1