buygfix: regression of chip wrap

src/viewerModule/viewerCmp/viewerCmp.template.html

@@ -197,7 +197,7 @@
           </atlas-layer-selector>
     
           <!-- chips -->
-          <div class="flex-grow-1 flex-shrink-1 overflow-x-scroll">
+          <div class="flex-grow-1 flex-shrink-1 overflow-x-auto">
 
             <mat-chip-list class="d-inline-block">
               <!-- additional layer -->