fix pf_ use-before-initial in laserReceived() callback (#2550)

Co-authored-by: Kai-Tao Xie <[email protected]>

Author: 2 people

nav2_amcl/src/amcl_node.cpp

@@ -234,12 +234,12 @@ AmclNode::on_configure(const rclcpp_lifecycle::State & /*state*/)
 
   initParameters();
   initTransforms();
+  initParticleFilter();
+  initLaserScan();
   initMessageFilters();
   initPubSub();
   initServices();
   initOdometry();
-  initParticleFilter();
-  initLaserScan();
 
   return nav2_util::CallbackReturn::SUCCESS;
 }