Set default user modes when always-on clients reconnect.

Add default-user-modes configuration to conventional.yaml.
Fix comment on DefaultUserModes.

irc/client.go

@@ -375,6 +375,10 @@ func (server *Server) AddAlwaysOnClient(account ClientAccount, chnames []string,
 		alwaysOn: true,
 	}
 
+	for _, defaultMode := range config.Accounts.defaultUserModes {
+		client.SetMode(defaultMode, true)
+	}
+
 	client.SetMode(modes.TLS, true)
 	client.writerSemaphore.Initialize(1)
 	client.history.Initialize(0, 0)

irc/modes.go

@@ -22,7 +22,7 @@ var (
 	}
 
 	// DefaultUserModes are set on all users when they login.
-	// this can be overridden in the `server` config, with the `default-user-modes` key
+	// this can be overridden in the `accounts` config, with the `default-user-modes` key
 	DefaultUserModes = modes.Modes{}
 )