message: Fixes wide char's background screen rendering
diff: @@ -358,7 +358,7 @@ void ScreenBuffer::appendCharToCurrent(char32_t ch)
  cursor.column += n;
  currentColumn++;
  for (unsigned i = 1; i < n; ++i)
  - (currentColumn++)->reset();
  + (currentColumn++)->reset(graphicsRendition);
  }
  else if (autoWrap)
  wrapPending = true;
  