KAZOO-4435 add early-only when state is confirmed

kamailio/fast-pickup-role.cfg

@@ -87,7 +87,11 @@ route[FAST_PICKUP_INIT]
     if($var(AppName) == "park") {
        $var(Pickup) =  ";a-leg=true";
     } else {
+      if($(kzE{kz.json,State}) == "confirmed"){
+        $var(Pickup) =  ";early-only=true";
+      } else {
        $var(Pickup) =  "";
+      }
     }
     $sht(fp=>$(kzE{kz.json,Call-Cookie})::Switch-URI) = $(kzE{kz.json,Switch-URI});
     $sht(fp=>$(kzE{kz.json,Call-Cookie})::Call-ID) = $(kzE{kz.json,Target-Call-ID}) + $var(Pickup);