Ubuntu – How to make android-emulator pop out in android-studio

I’m using flutter for the first time on linux (Ubuntu). When I was on Windows, the emulator of my android device poped out like this:

but now it looks like this: (it is in a tab or something in the android-studio)

how can I make it, that it looks like the first image? (that the emulated phone pops out like in the first picture)

Greetings and thanks for reading