fix: rpc streams (#47)

Fix RPC streams dropping after about 15 seconds due to Envoy timing out
the connections. This PR disables timeouts entirely though we might want
to make this configurable on the route level through the Fuse API later.

services/core/fuse/control_plane/controller.go

@@ -211,6 +211,8 @@ func (cp *controlPlane) apply(ctx context.Context, client kvv1Connect.KeyValueSe
 				UpgradeType: "websocket",
 			},
 		},
+		// disable with 0 value
+		StreamIdleTimeout: &durationpb.Duration{},
 	}
 
 	pbst, err := anypb.New(manager)
@@ -328,6 +330,8 @@ func makeRouterConfig(routes map[string]*anypb.Any) *route.RouteConfiguration {
 						ClusterSpecifier: &route.RouteAction_Cluster{
 							Cluster: clusterName(r),
 						},
+						// disable with 0 value
+						Timeout: &durationpb.Duration{},
 					},
 				},
 				TypedPerFilterConfig: map[string]*anypb.Any{},