🎨 Use pos.set method

Marlin/src/lcd/extui/ui_api.cpp

@@ -906,12 +906,10 @@ namespace ExtUI {
           if (x_target != current_position.x || y_target != current_position.y) {
             // If moving across bed, raise nozzle to safe height over bed
             feedrate_mm_s = Z_PROBE_FEEDRATE_FAST;
-            destination = current_position;
-            destination.z = Z_CLEARANCE_BETWEEN_PROBES;
+            destination.set(current_position.x, current_position.y, Z_CLEARANCE_BETWEEN_PROBES);
             prepare_line_to_destination();
             feedrate_mm_s = XY_PROBE_FEEDRATE;
-            destination.x = x_target;
-            destination.y = y_target;
+            destination.set(x_target, y_target);
             prepare_line_to_destination();
           }
           feedrate_mm_s = Z_PROBE_FEEDRATE_FAST;