message: gridline fixes
diff: @@ -482,7 +482,7 @@ export function makeXmlCharts(rel: ISlideRelChart) {
  if (Array.isArray(rel.opts.type)) {
  rel.opts.type.forEach(type => {
  // TODO: FIXME: theres `options` on chart rels??
  - let options = getMix(rel.opts, type.options) as IChartOpts;
  + let options = getMix(rel.opts, type.options) as IChartOpts
  //let options: IChartOpts = { type: type.type, }
  let valAxisId = options['secondaryValAxis'] ? AXIS_ID_VALUE_SECONDARY : AXIS_ID_VALUE_PRIMARY
  let catAxisId = options['secondaryCatAxis'] ? AXIS_ID_CATEGORY_SECONDARY : AXIS_ID_CATEGORY_PRIMARY
  @@ -691,7 +691,7 @@ function makeChartType(chartType: CHART_TYPE_NAMES, data: OptsChartData[], opts:
  strXml += ' <c:invertIfNegative val="0"/>'
  // Fill and Border
  - let strSerColor = (opts.chartColors ? opts.chartColors[colorIndex % opts.chartColors.length] : null)
  + let strSerColor = opts.chartColors ? opts.chartColors[colorIndex % opts.chartColors.length] : null
  strXml += ' <c:spPr>'
  if (strSerColor == 'transparent') {
  @@ -882,7 +882,8 @@ function makeChartType(chartType: CHART_TYPE_NAMES, data: OptsChartData[], opts:
  strXml += ' </c:txPr>'
  // NOTE: Throwing an error while creating a multi type chart which contains area chart as the below line appears for the other chart type.
  // Either the given change can be made or the below line can be removed to stop the slide containing multi type chart with area to crash.
  - if (opts.type != CHART_TYPES.AREA && opts.type != CHART_TYPES.RADAR && !isMultiTypeChart) strXml += '<c:dLblPos val="' + (opts.dataLabelPosition || 'outEnd') + '"/>'
  + if (opts.type != CHART_TYPES.AREA && opts.type != CHART_TYPES.RADAR && !isMultiTypeChart)
  + strXml += '<c:dLblPos val="' + (opts.dataLabelPosition || 'outEnd') + '"/>'
  strXml += ' <c:showLegendKey val="0"/>'
  strXml += ' <c:showVal val="' + (opts.showValue ? '1' : '0') + '"/>'
  strXml += ' <c:showCatName val="0"/>'
  