[bugfix] BigNumber crash, Horizon indent and Myanmar geojson (#5746)

* fix myanmar geojson

* fix indent of horizon in dashboard

* Fix bignumber crash when color_picker is undefined

superset/assets/src/visualizations/BigNumber.jsx

@@ -231,14 +231,17 @@ BigNumberVis.defaultProps = defaultProps;
 function adaptor(slice, payload) {
   const { formData, containerId } = slice;
   const { data, subheader, compare_suffix: compareSuffix } = payload.data;
-  const { r, g, b } = formData.color_picker;
   const compareLag = Number(payload.data.compare_lag);
   const supportTrendline = formData.viz_type === 'big_number';
   const showTrendline = supportTrendline && formData.show_trend_line;
   const startYAxisAtZero = formData.start_y_axis_at_zero;
   const formatValue = d3FormatPreset(formData.y_axis_format);
   const bigNumber = supportTrendline ? data[data.length - 1][1] : data[0][0];
-  const userColor = color.rgb(r, g, b).hex();
+  let userColor;
+  if (formData.color_picker) {
+    const { r, g, b } = formData.color_picker;
+    userColor = color.rgb(r, g, b).hex();
+  }
 
   let percentChange = 0;
   let formattedSubheader = subheader;

superset/assets/src/visualizations/HorizonChart.css

@@ -9,9 +9,10 @@
   margin: 0px;
 }
 
-.horizon-row span {
+.horizon-row span.title {
   position: absolute;
   color: #333;
   font-size: 0.8em;
+  margin: 0;
   text-shadow: 1px 1px rgba(255, 255, 255, 0.75);
 }