In the "Rate the add-on" popup you have three buttons:
"Review", "I'll review later" and "Sorry, I don't want". The last one will close that popup and it won't shown anymore (same of the first one). Only the "I'll review later" will show the popup again after some times.

I'm sorry you found the popup too annoying 😢

You can enable the keyboard shortcuts and the insert directly emojis features to get a similar behaviour of the right-click. I remain at your disposal for more support https://emojiaddon.com/help

Hi! Thanks for the feedback and the review.

I’ll adf the suggestion to the To-do list 😊

Thanks! As I promise, I've added the egg emoji!

The box is scrollable, I’m sorry about of this issue. I’ve already sent an update, but Mozilla needs to check manually it before to publish. In some days it will arrive. Really sorry!

Yeeeeeah 🤙