feat(dashboard): menu improvements, fallback support for Drill to Detail (#21351)

superset-frontend/spec/fixtures/mockChartQueries.js

@@ -37,13 +37,13 @@ export default {
       viz_type: 'pie',
       slice_id: sliceId,
       slice_name: 'Genders',
-      granularity_sqla: null,
-      time_grain_sqla: null,
+      granularity_sqla: undefined,
+      time_grain_sqla: undefined,
       since: '100 years ago',
       until: 'now',
       metrics: ['sum__num'],
       groupby: ['gender'],
-      limit: '25',
+      limit: 25,
       pie_label_type: 'key',
       donut: false,
       show_legend: true,