message: Use string_view where possible
diff: @@ -195,7 +195,7 @@ using namespace Microsoft::Console::Render;
  // - S_OK if we succeeded, else an appropriate HRESULT for failing to allocate or write.
  [[nodiscard]] HRESULT VtEngine::_SetGraphicsBoldness(const bool isBold) noexcept
  {
  - const std::string fmt = isBold ? "\x1b[1m" : "\x1b[22m";
  + const std::string_view fmt = isBold ? "\x1b[1m" : "\x1b[22m";
  return _Write(fmt);
  }
  @@ -275,7 +275,7 @@ using namespace Microsoft::Console::Render;
  // - S_OK if we succeeded, else an appropriate HRESULT for failing to allocate or write.
  [[nodiscard]] HRESULT VtEngine::_SetGraphicsRenditionDefaultColor(const bool fIsForeground) noexcept
  {
  - const std::string fmt = fIsForeground ? ("\x1b[39m") : ("\x1b[49m");
  + const std::string_view fmt = fIsForeground ? ("\x1b[39m") : ("\x1b[49m");
  return _Write(fmt);
  }
  