Updated Angular control flow syntax

Author: Jean-François Morin

src/app/admin/admin-reports/filtered-items/filtered-items-export-csv/filtered-items-export-csv.component.html

@@ -1,7 +1,8 @@
-<button *ngIf="shouldShowButton$ | async"
-   class="export-button btn btn-dark btn-sm"
-   [ngbTooltip]="tooltipMsg | translate"
-   (click)="export()"
-   [title]="tooltipMsg | translate" [attr.aria-label]="tooltipMsg | translate">
+@if (shouldShowButton$ | async) {
+  <button class="export-button btn btn-dark btn-sm"
+      [ngbTooltip]="tooltipMsg | translate"
+      (click)="export()"
+      [title]="tooltipMsg | translate" [attr.aria-label]="tooltipMsg | translate">
     <i class="fas fa-file-export fa-fw"></i>
-</button>
+  </button>
+}