routerrpc: update final cltv delta default

The default was increased for the main sendpayment RPC in commit
d3fa9767a9. This commit sets the
same default for QueryRoutes, routerrpc.SendPayment and
router.EstimateRouteFee.

routing/pathfind_test.go

@@ -2110,6 +2110,7 @@ func TestPathFindSpecExample(t *testing.T) {
 	const amt lnwire.MilliSatoshi = 4999999
 	route, err := ctx.router.FindRoute(
 		bobNode.PubKeyBytes, carol, amt, noRestrictions, nil, nil,
+		zpay32.DefaultFinalCLTVDelta,
 	)
 	if err != nil {
 		t.Fatalf("unable to find route: %v", err)
@@ -2165,6 +2166,7 @@ func TestPathFindSpecExample(t *testing.T) {
 	// We'll now request a route from A -> B -> C.
 	route, err = ctx.router.FindRoute(
 		source.PubKeyBytes, carol, amt, noRestrictions, nil, nil,
+		zpay32.DefaultFinalCLTVDelta,
 	)
 	if err != nil {
 		t.Fatalf("unable to find routes: %v", err)