Grafana recently logs me out after a while

Hello. I used to generate grafana link in the HA dashboard (grafana add-on). I then used that link to open grafana in separate window in full screen. That way I got rid off of Home Assistant top bar and had nice graph in clean window.

Now after a day or two I get logged off out of grafana in separate window. I have to go to Home assistant, start grafana there, re-authenitcate, and then refresh grafana dashboard that I have in separate window.

Is there a way how to use grafana dashboard link, that is created in grafana in Home assistant window, to have permanent dashboard in separate window? Thank you