check idle before moving to perimeter

modules/connection/connection_manager.py

@@ -471,6 +471,7 @@ def home(timeout=60):
                         loop = asyncio.new_event_loop()
                         asyncio.set_event_loop(loop)
                         try:
+                            await check_idle()
                             result = loop.run_until_complete(send_grbl_coordinates(state.machine_x, state.machine_y + 20, 400, home=False))
                             if result == False:
                                 logger.error("Failed to move to perimeter for angular homing")