message: [terminal] Line: toUtf8Trimmed() to also trim from left
diff: @@ -138,6 +138,12 @@ std::string Line<Cell>::toUtf8Trimmed() const
  std::string output = toUtf8();
  while (!output.empty() && isspace(output.back()))
  output.pop_back();
  +
  + size_t frontGap = 0;
  + while (frontGap < output.size() && std::isspace(output[frontGap]))
  + frontGap++;
  + output = output.substr(frontGap);
  +
  return output;
  }
  