Make getfilename_sorted standard for listings

Marlin/src/lcd/extensible_ui/ui_api.cpp

@@ -570,11 +570,7 @@ namespace UI {
         #endif
       pos;
 
-      #if ENABLED(SDCARD_SORT_ALPHA)
       card.getfilename_sorted(nr);
-      #else
-        card.getfilename(nr);
-      #endif
       return card.filename && card.filename[0] != '\0';
     #endif
   }

Marlin/src/lcd/menu/menu_sdcard.cpp

@@ -116,11 +116,7 @@ void menu_sdcard() {
         #endif
       i;
 
-      #if ENABLED(SDCARD_SORT_ALPHA)
       card.getfilename_sorted(nr);
-      #else
-        card.getfilename(nr);
-      #endif
 
       if (card.filenameIsDir)
         MENU_ITEM(sddirectory, MSG_CARD_MENU, card);

Marlin/src/sd/cardreader.h

@@ -103,6 +103,8 @@ public:
       FORCE_INLINE void setSortFolders(int i) { sort_folders = i; presort(); }
       //FORCE_INLINE void setSortReverse(bool b) { sort_reverse = b; }
     #endif
+  #else
+    FORCE_INLINE void getfilename_sorted(const uint16_t nr) { getfilename(nr); }
   #endif
 
   #if ENABLED(POWER_LOSS_RECOVERY)