fix toggle in entities administration

src/frontend/app/administration/entity/entities-administration.component.html

@@ -18,7 +18,7 @@
                 <h3 mat-subheader>{{lang.additionalRoles}}</h3>
                 <ng-container *ngFor="let role of listTemplateRoles">
                     <a mat-list-item disableRipple="true" *ngIf="role.id != 'dest' && role.id != 'cc'">
-                        <mat-icon color="primary" mat-list-icon style="margin-bottom: 20px;">
+                        <mat-icon color="primary" mat-list-icon>
                             <mat-slide-toggle [checked]="role.available" color="primary" (click)="toggleRole(role);false"></mat-slide-toggle>
                         </mat-icon>
                         <p mat-line [ngStyle]="{'opacity': role.available ? '' : '0.5'}" (click)="toggleRole(role);false">