Power panic: When panicking, move the X carriage to the bed side fast.

Firmware/Marlin_main.cpp

@@ -6801,7 +6801,7 @@ void uvlo_() {
 		plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], 40, active_extruder);
     // Move the print head to the side of the print until all the power stored in the power supply capacitors is depleted.
     current_position[X_AXIS] = (current_position[X_AXIS] < 0.5f * (X_MIN_POS + X_MAX_POS)) ? X_MIN_POS : X_MAX_POS;
-    plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], 40, active_extruder);
+    plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], 500, active_extruder);
     st_synchronize();
 //    disable_z();