fix(help_tags): exclude invalid help-tag that errors

fix #1858

lua/telescope/builtin/internal.lua

@@ -614,6 +614,7 @@ internal.help_tags = function(opts)
         if not line:match "^!_TAG_" then
           local fields = vim.split(line, delimiter, true)
           if #fields == 3 and not tags_map[fields[1]] then
+            if fields[1] ~= "help-tags" or fields[2] ~= "tags" then
               table.insert(tags, {
                 name = fields[1],
                 filename = help_files[fields[2]],
@@ -626,6 +627,7 @@ internal.help_tags = function(opts)
         end
       end
     end
+  end
 
   pickers.new(opts, {
     prompt_title = "Help",