fix: move MKMini Gazebo spawn from pillar

src/nav2_turtlebot_simulator/launch/simulator.launch.py

@@ -371,6 +371,8 @@ def launch_gazebo(context):
         # The world obstacles are spread out for MKMini, but the original
         # TurtleBot spawn is already inside the navigable centre of that map.
         # Scaling it as well placed the robot against the generated map edge.
+        if spawn_x == '-2.0' and spawn_y == '-0.5':
+            spawn_x = '-1.4'
         # Gazebo's fixed joint does not reliably publish this transform to the
         # separate SLAM container. Publish the sensor mounting point explicitly.
         static_transforms = [