Adjustment to DOG_CHAR_*_EDIT

Marlin/src/lcd/ultralcd_impl_DOGM.h

 #if ENABLED(USE_BIG_EDIT_FONT)
   #define FONT_MENU_EDIT_NAME u8g_font_9x18
   #define DOG_CHAR_WIDTH_EDIT  9
-  #define DOG_CHAR_HEIGHT_EDIT 13
-  #define LCD_WIDTH_EDIT       14
+  #define DOG_CHAR_HEIGHT_EDIT 18
 #else
   #define FONT_MENU_EDIT_NAME FONT_MENU_NAME
-  #define DOG_CHAR_WIDTH_EDIT  6
-  #define DOG_CHAR_HEIGHT_EDIT 12
-  #define LCD_WIDTH_EDIT       22
+  #define DOG_CHAR_WIDTH_EDIT  DOG_CHAR_WIDTH
+  #define DOG_CHAR_HEIGHT_EDIT DOG_CHAR_HEIGHT
 #endif
 
 #ifndef TALL_FONT_CORRECTION
     const uint8_t labellen = lcd_strlen_P(pstr),
                   vallen = lcd_strlen(value);
 
+    constexpr uint8_t lcd_width_edit = (LCD_WIDTH) / (DOG_CHAR_WIDTH_EDIT);
+
     uint8_t rows = (labellen > LCD_WIDTH - 2 - vallen) ? 2 : 1;
 
     #if ENABLED(USE_BIG_EDIT_FONT)
       uint8_t lcd_width, char_width;
-      if (labellen <= LCD_WIDTH_EDIT - 1) {
-        if (labellen + vallen + 2 >= LCD_WIDTH_EDIT) rows = 2;
-        lcd_width = LCD_WIDTH_EDIT + 1;
+      if (labellen <= lcd_width_edit - 1) {
+        if (labellen + vallen + 2 >= lcd_width_edit) rows = 2;
+        lcd_width = lcd_width_edit + 1;
         char_width = DOG_CHAR_WIDTH_EDIT;
         lcd_setFont(FONT_MENU_EDIT);
       }