chore: fix busy signal in regional features

src/atlasComponents/regionalFeatures/bsFeatures/kgRegionalFeature/kgRegList/kgReglist.directive.ts

@@ -18,14 +18,11 @@ export class KgRegionalFeaturesListDirective extends BsRegionInputBase implement
     // must not use switchmapto here
     switchMap(() => {
       this.busyEmitter.emit(true)
-      return merge(
-        of([]),
-        this.getFeatureInstancesList(KG_REGIONAL_FEATURE_KEY).pipe(
-          catchError(() => of([])),
-          tap(() => {
-            this.busyEmitter.emit(false)
-          }),
-        )
+      return this.getFeatureInstancesList(KG_REGIONAL_FEATURE_KEY).pipe(
+        catchError(() => of([])),
+        tap(() => {
+          this.busyEmitter.emit(false)
+        }),
       )
     }),
     startWith([])

src/atlasComponents/regionalFeatures/bsFeatures/regionalFeatureWrapper/regionalFeatureWrapper.component.ts

@@ -164,15 +164,10 @@ export class RegionalFeatureWrapperCmp implements OnChanges, OnDestroy{
       arg['name'] = contextedFeature.result['name']
       arg['description'] = ' '
       arg['isGdprProtected'] = true
-      /**
-       * todo use actual fetched data
-       */
-      const re = /\(dataset:([a-f0-9-]+)\)/.exec(arg['name'])
-      if (re) {
-        arg['urls'] = [{
-          doi: `https://search.kg.ebrains.eu/instances/${re[1]}`
-        }]
-      }
+       arg['urls'] = []
+       for (const info of contextedFeature.result['origin_datainfos']) {
+         arg['urls'].push(...(info.urls || []))
+       }
     }
 
     if (contextedFeature.featureName === EbrainsRegionalFeatureName) {

src/atlasComponents/regionalFeatures/bsFeatures/regionalFeatureWrapper/regionalFeatureWrapper.template.html

-<spinner-cmp *ngIf="busy$ | async; else resultTmpl"></spinner-cmp>
+<ng-template [ngTemplateOutlet]="resultTmpl">
+</ng-template>
+
+<ng-template #busyTmpl>
+  <spinner-cmp></spinner-cmp>
+</ng-template>
 
 <ng-template #resultTmpl>
   
@@ -27,6 +32,10 @@
     <div class="feature-container"
       [attr.aria-label]="ARIA_LABELS.LIST_OF_DATASETS_ARIA_LABEL">
 
+      <!-- if busy, show spinner -->
+      <ng-template [ngIf]="busy$ | async">
+        <ng-template [ngTemplateOutlet]="busyTmpl"></ng-template>
+      </ng-template>
       <div *ngFor="let feature of registeredFeatures; let index = index"
         class="overflow-hidden">