<div [ngStyle]="popupVisible()" class="hs-hover-popup">
    <div class="card" style="padding: 5px;">
        <div *ngFor="let layerDesc of data.service.featureLayersUnderMouse; let i = index"
            style="line-height: 1.2">
            <a class="p-1" (click)="data.service.closePopup()" data-toggle="tooltip" [hidden]="i !== 0"
                [title]="'QUERY.featurePopup.closePopup' | translate">
                <i class="icon-remove-circle" style="color: rgb(73, 80, 87)"></i>
            </a>
            <strong style="font-size: small;">{{hsLayerUtilsService.translateTitle(layerDesc.title)}}</strong>
            <hs-query-popup-layer [layerDescriptor]="layerDesc" [service]="data.service"></hs-query-popup-layer>
            <ng-container *ngFor="let feature of layerDesc.features">
                <hs-query-popup-feature [feature]="feature" [attributesForHover]="attributesForHover" [service]="data.service"></hs-query-popup-feature>
            </ng-container>
        </div>
    </div>
</div>
<div [ngStyle]="popupVisible()" class="hs-hover-popup">
    <div class="card" style="padding: 5px;">
        <div *ngFor="let layerDesc of data.service.featureLayersUnderMouse; let i = index" style="line-height: 1.2">
            <a class="p-1" (click)="data.service.closePopup()" data-toggle="tooltip" [hidden]="i !== 0"
                [title]="'QUERY.featurePopup.closePopup' | translate">
                <i class="icon-remove-circle" style="color: rgb(73, 80, 87)"></i>
            </a>
            <strong style="font-size: small;">{{hsLayerUtilsService.translateTitle(layerDesc.title)}}</strong>
            <ng-container *ngFor="let feature of layerDesc.features">
                <hs-query-popup-feature [feature]="feature" [attributesForHover]="attributesForHover"
                    [service]="data.service"></hs-query-popup-feature>
            </ng-container>
            <hs-query-popup-layer [layerDescriptor]="layerDesc" [service]="data.service"></hs-query-popup-layer>
        </div>
    </div>
</div>
Hide cesium hover popup if not over features
fix: Hide cesium hover popup if not over features
