message: fixed bubble chart `bubbleSize`
diff: @@ -1385,7 +1385,7 @@ function makeChartType(chartType: CHART_NAME, data: IOptsChartData[], opts: ICha
  // E: '<c:bubbleSize>'
  strXml += ' <c:bubbleSize>'
  strXml += ' <c:numRef>'
  - strXml += ' <c:f>Sheet1!$' + getExcelColName(idxColLtr + 1) + '$2:$' + getExcelColName(idx + 3) + '$' + (obj.sizes.length + 1) + '</c:f>'
  + strXml += ' <c:f>Sheet1!$' + getExcelColName(idxColLtr + 1) + '$2:$' + getExcelColName(idxColLtr + 1) + '$' + (obj.sizes.length + 1) + '</c:f>'
  idxColLtr++
  strXml += ' <c:numCache>'
  strXml += ' <c:formatCode>General</c:formatCode>'
  