[client, management] Add port forwarding (#3275)

Add initial support to ingress ports on the client code.

- new types where added
- new protocol messages and controller

client/internal/routemanager/client.go

@@ -302,7 +302,7 @@ func (c *clientNetwork) recalculateRouteAndUpdatePeerAndSystem(rsn reason) error
 
 	// If the chosen route is the same as the current route, do nothing
 	if c.currentChosen != nil && c.currentChosen.ID == newChosenID &&
-		c.currentChosen.IsEqual(c.routes[newChosenID]) {
+		c.currentChosen.Equal(c.routes[newChosenID]) {
 		return nil
 	}