fix: fix definition of NeoTreeDirectoryName

Author: cseickel

lua/neo-tree/ui/highlights.lua

@@ -112,7 +112,7 @@ M.setup = function()
   create_highlight_group(M.DIM_TEXT, {}, nil, "505050")
   create_highlight_group(M.CURSOR_LINE, { "CursorLine" })
   create_highlight_group(M.DIRECTORY_NAME, {}, "NONE", "NONE")
-  create_highlight_group(M.DIRECTORY_ICON, {}, nil, "#73cef4")
+  create_highlight_group(M.DIRECTORY_ICON, {}, nil, "73cef4")
   create_highlight_group(M.FILE_ICON, { M.DIRECTORY_ICON })
   create_highlight_group(M.FILE_NAME, {}, "NONE", "NONE")
   create_highlight_group(M.FILE_NAME_OPENED, {}, nil, nil, "bold")