<!-- VERSION QUI MARCHE -->
<td *ngIf="folder.statusAT == 'SUCCESS'"><i class="fas fa-check-circle"></i></td>
<td *ngIf="folder.statusAT == 'ON_GOING'"><i class="fas fa-exclamation-circle"></i></td>
<td *ngIf="folder.statusAT == 'ERROR'"><i class="fas fa-times-circle"></i></td>

<!-- VERSION QUI MARCHE PAS -->
<td><i [ngClass]="{'fas fa-check-circle': folder.statusAT == 'SUCCESS', 'fas fa-times-circle': folder.statusAT == 'ERROR'}"></i></td>