I've done `sudo snap install slack --classic` and now have the Slack snap application (v. 4.1.2). When I run `slack` from the terminal, it opens the app, with the sign in button. Clicking this opens the Slack login page in my default browser (chromium, snap app v. 78.0.3904.108), where I successfully login.

The trouble is that it says, "Signing you in to Slack. You should be redirected in a few moments." Then, a pop-up appears: "Open xdg-open?" I select "xdg-open" (instead of "cancel") and then......nothing happens. The Slack snap app still shows the sign in page, while the browser thinks I've logged in and just says "Signing you in to Slack."

Is this because of sandboxing issues with the Chromium snap app? I'd love for my Slack (multiple workspaces) to be in a separate app, instead of being trapped in a browser tab, so any and all help resolving this would be greatly appreciated! And apologies if this is posted in the wrong place; I'd be keen to know anywhere else that might better fix this.

Other possibly relevant details:

* Hardware: 2015 Macbook Pro 13" Retina
* OS: LXLE 18.04