Keyboard shortcut: CTRL + ALT + R
This option will show/hide objects in the scene that have been renamed with "Ref". This function is used to have a quick way of having references in the scene and show or hide them when needed.
Steps to follow:
1. Rename the reference images including "Ref" in the name.
2. When pressing the "Show reference images" button, the reference images will be shown or hidden in the scene.
