potential fix for core node not spinning in anchor mode

src/core_pkg/core_pkg/core_node.py

@@ -80,9 +80,10 @@ class SerialRelay(Node):
         thread = threading.Thread(target=rclpy.spin, args={self}, daemon=True)
         thread.start()
         
-        if self.launch_mode == 'core':
+    
         try:
             while rclpy.ok():
+                if self.launch_mode == 'core':
                     self.read_MCU() # Check the MCU for updates
         except KeyboardInterrupt:
             sys.exit(0)