[ML] Migrate Timeseries Chart to React (#25792) (#25811)

* [ML] Reactified Singleseries Chart.
* [ML] Adds an initialization test for TimeseriesChart.
* [ML] Restore original behavior of updating focus chart only when interacting with the brush selector.
* [ML] Tweaked comments.

x-pack/plugins/ml/public/components/anomalies_table/anomalies_table_service.js

@@ -11,7 +11,7 @@
  * anomalies table component.
  */
 
-import { listenerFactoryProvider } from 'plugins/ml/factories/listener_factory';
+import { listenerFactoryProvider } from '../../factories/listener_factory';
 
 class AnomaliesTableService {
   constructor() {

x-pack/plugins/ml/public/services/field_format_service.js

@@ -8,9 +8,9 @@
 
 import _ from 'lodash';
 
-import { mlFunctionToESAggregation } from 'plugins/ml/../common/util/job_utils';
-import { getIndexPatternById } from 'plugins/ml/util/index_utils';
-import { mlJobService } from 'plugins/ml/services/job_service';
+import { mlFunctionToESAggregation } from '../../common/util/job_utils';
+import { getIndexPatternById } from '../util/index_utils';
+import { mlJobService } from '../services/job_service';
 
 // Service for accessing FieldFormat objects configured for a Kibana index pattern
 // for use in formatting the actual and typical values from anomalies.
@@ -121,4 +121,3 @@ class FieldFormatService {
 }
 
 export const mlFieldFormatService = new FieldFormatService();
-

x-pack/plugins/ml/public/timeseriesexplorer/context_chart_mask.js

@@ -8,7 +8,7 @@
 
 import d3 from 'd3';
 
-import { drawLineChartDots } from 'plugins/ml/util/chart_utils';
+import { drawLineChartDots } from '../util/chart_utils';
 
 /*
  * Creates a mask over sections of the context chart and swimlane