message: Fix missing include completions.
diff: @@ -303,15 +303,12 @@ struct Handler_TextDocumentCompletion : MessageHandler {
  include_complete->completion_items_mutex, std::defer_lock);
  if (include_complete->is_scanning)
  lock.lock();
  - std::string quote = result.match[5];
  - for (auto& item : include_complete->completion_items)
  - if (quote.empty() || quote == (item.use_angle_brackets_ ? "<" : "\""))
  - out.result.items.push_back(item);
  + out.result.items = include_complete->completion_items;
  }
  // Needed by |FilterAndSortCompletionResponse|.
  for (lsCompletionItem& item : out.result.items)
  - item.filterText = item.label;
  + item.filterText = "include" + item.label;
  FilterAndSortCompletionResponse(&out, result.pattern,
  config->completion.filterAndSort);
  