028e76eb3f
In macOS Catalina, for some users, the tunnels get deleted arbitrarily by the OS. It's not clear what triggers that. As a workaround, in macOS Catalina, when we realize that tunnels have been deleted outside the app, we reinstate those tunnels using the information in the keychain. Signed-off-by: Roopesh Chander <roop@roopc.net>