Fix submenu hotend status display

Marlin/ultralcd_impl_DOGM.h

 
       u8g.setPrintPos(LCD_PIXEL_WIDTH - 11 * (DOG_CHAR_WIDTH), row_y2);
       lcd_print('E');
-      lcd_print((char)('0' + active_extruder));
+      lcd_print((char)('1' + active_extruder));
       lcd_print(' ');
       lcd_print(itostr3(thermalManager.degHotend(active_extruder)));
       lcd_print('/');

Marlin/ultralcd_impl_HD44780.h

     static void lcd_implementation_hotend_status(const uint8_t row) {
       if (row < LCD_HEIGHT) {
         lcd.setCursor(LCD_WIDTH - 9, row);
-        lcd.print(LCD_STR_THERMOMETER[active_extruder]);
+        lcd.print(LCD_STR_THERMOMETER[0]);
         lcd.print(itostr3(thermalManager.degHotend(active_extruder)));
         lcd.print('/');
         lcd.print(itostr3(thermalManager.degTargetHotend(active_extruder)));