Fix/acl for forward (#1305)

Fix ACL on routed traffic and code refactor

client/internal/routemanager/mock.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 
+	firewall "github.com/netbirdio/netbird/client/firewall/manager"
 	"github.com/netbirdio/netbird/client/internal/listener"
 	"github.com/netbirdio/netbird/iface"
 	"github.com/netbirdio/netbird/route"
@@ -37,6 +38,10 @@ func (m *MockManager) SetRouteChangeListener(listener listener.NetworkChangeList
 
 }
 
+func (m *MockManager) EnableServerRouter(firewall firewall.Manager) error {
+	panic("implement me")
+}
+
 // Stop mock implementation of Stop from Manager interface
 func (m *MockManager) Stop() {
 	if m.StopFunc != nil {