bugfix: chip container overextension

src/viewerModule/viewerCmp/viewerCmp.template.html

@@ -204,7 +204,7 @@
           </atlas-layer-selector>
 
           <!-- chips -->
-          <div class="flex-grow-1 flex-shrink-1 overflow-x-auto pe-all">
+          <div class="flex-grow-0 p-1 flex-shrink-1 overflow-y-hidden overflow-x-auto pe-all">
 
             <mat-chip-list class="d-inline-block"
               quick-tour