Create buttons for cycling through object faces or linked prims

Create buttons to enable cycling through object faces or selected linked prims. This function already exists but only as [hotkeys](https://wiki.secondlife.com/wiki/All_keyboard_shortcut_keys#:~:text=Ctrl%2B.,Select%20Previous%20Part).

UI for this functionality exists in FS: https://gyazo.com/379aa85559a6b9246b8a66c76f1b0137

## Test Plan

TBD
