feat: update default space ratio, narrower bars

src/js/utils/constants.js

@@ -67,7 +67,7 @@ export const AXIS_DATASET_CHART_TYPES = ['line', 'bar'];
 
 export const AXIS_LEGEND_BAR_SIZE = 100;
 
-export const BAR_CHART_SPACE_RATIO = 0.5;
+export const BAR_CHART_SPACE_RATIO = 0.8;
 export const MIN_BAR_PERCENT_HEIGHT = 0.00;
 
 export const LINE_CHART_DOT_SIZE = 4;