Run Nextcloud Talk (spreed) in a seperate Window without Navbar on top

Hello everyone

As I like to manage my apps usign my window-manager instead of clicking inside a webpage…

Is it possible to run Nextcloud Talk in a seperate Browser-Window without having the Bar on top?

what it looks like:

what I want:

running this inside the browser-console does what I want… but now I somehow need to create a link/app which runs them automatically…:

document.querySelector(’#content-vue’).style.paddingTop = 0;
document.querySelector(’#app-sidebar’) = 0;
document.querySelector(’#app-navigation-vue’) = 0;

Seems to be not maintained, but maybe leads to a solution: