message: [terminal] Screen: add absolute line numbers in screen dump.
diff: @@ -1916,7 +1916,8 @@ void Screen::dumpState(std::string const& _message) const
  hline();
  cerr << screenshot([this](int _lineNo) -> string {
  - return fmt::format("| {}", grid().lineAt(_lineNo).flags());
  + auto const absoluteLine = grid().toAbsoluteLine(_lineNo);
  + return fmt::format("| {}: {}", absoluteLine, grid().lineAt(_lineNo).flags());
  });
  hline();
  