Enable long filename support for ESP3D

Author: aleung

Marlin/Configuration_adv.h

@@ -1540,10 +1540,10 @@
 
   // Allow international symbols in long filenames. To display correctly, the
   // LCD's font must contain the characters. Check your selected LCD language.
-  //#define UTF_FILENAME_SUPPORT
+  #define UTF_FILENAME_SUPPORT
 
-  //#define LONG_FILENAME_HOST_SUPPORT    // Get the long filename of a file/folder with 'M33 <dosname>' and list long filenames with 'M20 L'
-  //#define LONG_FILENAME_WRITE_SUPPORT   // Create / delete files with long filenames via M28, M30, and Binary Transfer Protocol
+  #define LONG_FILENAME_HOST_SUPPORT    // Get the long filename of a file/folder with 'M33 <dosname>' and list long filenames with 'M20 L'
+  #define LONG_FILENAME_WRITE_SUPPORT   // Create / delete files with long filenames via M28, M30, and Binary Transfer Protocol
 
   #define SCROLL_LONG_FILENAMES         // Scroll long filenames in the SD card menu