use feedrate 200mm/min for final feed (faster and better filament sensor function), show default welcome message when load is finished

Firmware/Marlin_main.cpp

@@ -8902,7 +8902,7 @@ void load_filament_final_feed()
 {
 	st_synchronize();
 	current_position[E_AXIS]+= FILAMENTCHANGE_FINALFEED;
-	plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], 100/60, active_extruder);
+	plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], 200/60, active_extruder);
 	st_synchronize();
 }
 

Firmware/mmu.cpp

@@ -1054,6 +1054,7 @@ void lcd_mmu_load_to_nozzle(uint8_t filament_nr)
 	lcd_return_to_status();
 	lcd_update_enable(true);	
 	lcd_load_filament_color_check();
+	lcd_setstatuspgm(_T(WELCOME_MSG));
 	custom_message_type = CUSTOM_MSG_TYPE_STATUS;
   }
   else