Thank you very much for the details, it helps me a lot!
It is the default behavior, which you can change on the General Options -> Logic & Behavior panel: https://i.imgur.com/nupGGwS.png
For more info, you can check this section in the documentation: Return key and magnifier icon click actions
I hope this helps!Best,
If you like my products, don't forget to rate them on codecanyon :)