Replace single instance of a component

What are you trying to do?
Just replace a single instance of a component with a like component but from an imported project

(for instance, I have a custom code button in my project, but I want to selectively replace that button with the button from a project that I’ve imported)

What have you tried so far?
Looking all around in the context menus

Relevant links:

+1 -ing this request from before since I cam across another instance when I wanted to do it