chore: fix mat chips wrapping & scrolling ...

...on smaller screens

src/viewerModule/viewerCmp/viewerCmp.template.html

@@ -196,7 +196,7 @@
           </atlas-layer-selector>
 
           <!-- chips -->
-          <div class="flex-grow-1 flex-shrink-1 overflow-x-auto">
+          <div class="flex-grow-1 flex-shrink-1 overflow-x-auto pe-all">
 
             <mat-chip-list class="d-inline-block">
               <!-- additional layer -->