Fix seed drift

src/main/java/com/volmit/iris/engine/scripting/IrisScriptingAPI.java

@@ -53,7 +53,7 @@ public class IrisScriptingAPI {
     }
 
     public long getSeed() {
-        return getEngine().getTarget().getWorld().seed();
+        return getEngine().getSeedManager().getScript();
     }
 
     public double expression(String expressionName, double x, double y, double z) {