So the issue might not be necessarily informing the user they can't add anymore, but maybe provide them a visual representation of how many shortcuts they can add. I'm thinking something similar how Firefox does it with.

cc: @rtestard @jeffreygee

@jeffreygee any feedback on this suggestion?

@razvanlitianu @jevans-mozilla - I think a combo of both would be helpful. I think the empty state visual cue is nice, but it's also always helpful to have an error state. I can create some visuals for reference this week.