Fix drilldown chart data not always being in sync with reality.

Echart's setOption by default tries to merge the new data with existing
data. In the case of the drilldown chart in particular, this could lead
to strange results, since the drilldown chart could maintain data from
the previous level of data.

src/api-umbrella/admin-ui/app/components/stats/drilldown/results-chart.js

@@ -122,6 +122,6 @@ export default Component.extend({
           end: 100,
         },
       ],
-    });
+    }, true);
   },
 });

src/api-umbrella/admin-ui/app/components/stats/logs/results-chart.js

@@ -125,6 +125,6 @@ export default Component.extend({
           end: 100,
         },
       ],
-    });
+    }, true);
   },
 });

src/api-umbrella/admin-ui/app/components/stats/map/results-map.js

@@ -245,6 +245,6 @@ export default Component.extend({
         top: 10,
         right: 30,
       },
-    });
+    }, true);
   },
 });