Make events on a page input fields visible in the Studio Pro

When copying attributes from pages/snippets to other places, its easy to miss an on-change event. (you really need to open the properties pane). Therefore it is easy to make a mistake, by copying an on change event without wanting that.

Solution: Make events on a page input elements visible in Studio pro . There is room enough. 

For example an lighing icon similar to commit events. See image