Add scroll to table images

Author: minottic

scilog/src/app/overview/overview-table/overview-table.component.html

@@ -39,7 +39,11 @@
 
     <ng-container matColumnDef="thumbnail">
       <th mat-header-cell cdkDrag *matHeaderCellDef>Thumbnail </th>
-      <td mat-cell *matCellDef="let row"><img [src]="getImage(row.thumbnail)"/> </td>
+      <td mat-cell *matCellDef="let row">
+        <div class="scrollable-text"> 
+          <img [src]="getImage(row.thumbnail)"/>
+        </div>
+      </td>
     </ng-container>
 
     <ng-container matColumnDef="actions">