Lack of case statements: "case plugin.ListenerTypeX:"

[JoshuaAndrew]

Describe the bug
There is no SidecarOutboundListener for dubbo service .

https://github.com/sofastack/sofa-mesh/blob/master/pilot/pkg/networking/core/v1alpha3/listener.go#L907

sofa-mesh/pilot/pkg/networking/core/v1alpha3/listener.go

Line 561 in 6a933b4

case plugin.ListenerTypeX:

Maybe this part of the code was missing when merging it.

Expected behavior
SidecarOutboundListener for dubbo service should exist in consumer sidecar

Version
sofa-mesh v0.5.0-rc1 or master

Environment
CentOS7/RHEL7