M600: prevention of blob; massage changed when autoload is active

Firmware/Marlin_main.cpp

@@ -3081,6 +3081,11 @@ static void gcode_M600(bool automatic, float x_position, float y_position, float
     sprintf_P(cmd, PSTR("M220 S%i"), feedmultiplyBckp);
     enquecommand(cmd);
 
+#ifdef IR_SENSOR
+	//this will set fsensor_watch_autoload to correct value and prevent possible M701 gcode enqueuing when M600 is finished
+	fsensor_check_autoload();
+#endif //IR_SENSOR
+
     lcd_setstatuspgm(_T(WELCOME_MSG));
     custom_message_type = CUSTOM_MSG_TYPE_STATUS;
 }

Firmware/ultralcd.cpp

@@ -2442,9 +2442,10 @@ void lcd_wait_interact() {
 #else
   lcd_puts_P(_i("Insert filament"));////MSG_INSERT_FILAMENT c=20 r=0
 #endif
-  lcd_set_cursor(0, 2);
-  lcd_puts_P(_i("and press the knob"));////MSG_PRESS c=20 r=0
-
+  if (!fsensor_autoload_enabled) {
+	  lcd_set_cursor(0, 2);
+	  lcd_puts_P(_i("and press the knob"));////MSG_PRESS c=20 r=0
+  }
 }