feat(path): sort directories first, then by name lowercase

lua/blink/cmp/sources/path/lib.lua

@@ -85,6 +85,7 @@ function lib.entry_to_completion_item(context, entry, dirname, opts)
     kind = is_dir and CompletionItemKind.Folder or CompletionItemKind.File,
     insertText = insert_text,
     textEdit = lib.get_text_edit(context, insert_text),
+    sortText = (is_dir and '1' or '2') .. entry.name:lower(), -- Sort directories before files
     word = opts.trailing_slash and entry.name or nil,
     data = { path = entry.name, full_path = dirname .. '/' .. entry.name, type = entry.type, stat = entry.stat },
   }