Google Nest Community

why does the profile icon picture shrink into a small diamond shape when you click it with your finger on an iPhone? Does it indicate some action has been preformed?? Because it goes from a round circle to the smaller icon seen in picture  

I installed a AT&T WiFi extender in at my home thinking that would help things and not make them worse. However now the 3 Google Nest Home speaker/displays I have are acting like the Three Stooges yelling out all at different times well after command...