[7.9] [ML] Fix annotation detector linking & delayed_data(0) (elastic…

…#72468) (elastic#72558)

x-pack/plugins/ml/public/application/components/annotations/annotations_table/annotations_table.js

@@ -256,7 +256,7 @@ export class AnnotationsTable extends Component {
     // if the annotation is at the series level
     // then pass the partitioning field(s) and detector index to the Single Metric Viewer
     if (_.has(annotation, 'detector_index')) {
-      mlTimeSeriesExplorer.detector_index = annotation.detector_index;
+      mlTimeSeriesExplorer.detectorIndex = annotation.detector_index;
     }
     if (_.has(annotation, 'partition_field_value')) {
       entityCondition[annotation.partition_field_name] = annotation.partition_field_value;
@@ -523,10 +523,26 @@ export class AnnotationsTable extends Component {
     const aggregations = this.props.aggregations ?? this.state.aggregations;
     if (aggregations) {
       const buckets = aggregations.event.buckets;
-      const foundUser = buckets.findIndex((d) => d.key === ANNOTATION_EVENT_USER) > -1;
-      filterOptions = foundUser
-        ? buckets
-        : [{ key: ANNOTATION_EVENT_USER, doc_count: 0 }, ...buckets];
+      let foundUser = false;
+      let foundDelayedData = false;
+
+      buckets.forEach((bucket) => {
+        if (bucket.key === ANNOTATION_EVENT_USER) {
+          foundUser = true;
+        }
+        if (bucket.key === ANNOTATION_EVENT_DELAYED_DATA) {
+          foundDelayedData = true;
+        }
+      });
+      const adjustedBuckets = [];
+      if (!foundUser) {
+        adjustedBuckets.push({ key: ANNOTATION_EVENT_USER, doc_count: 0 });
+      }
+      if (!foundDelayedData) {
+        adjustedBuckets.push({ key: ANNOTATION_EVENT_DELAYED_DATA, doc_count: 0 });
+      }
+
+      filterOptions = [...adjustedBuckets, ...buckets];
     }
     const filters = [
       {