I've found many closed issues in the queue about snap-installed browsers not being supported, but couldn't find any open ones about adding support for these. If I missed it, please link to it from here, and we can close this.
Otherwise:
This cannot be solved until snap allows Native Messaging to connect outside the sandbox.
See: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1741074
Roger that. Is there a Postponed label we can add here?
Most helpful comment
This cannot be solved until snap allows Native Messaging to connect outside the sandbox.
See: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1741074