added fieldset around checkboxes

lib/content-services/src/lib/search/components/search-check-list/search-check-list.component.html

@@ -1,5 +1,6 @@
 <div class="checklist">
-    <mat-checkbox
+    <fieldset>
+        <mat-checkbox
         *ngFor="let option of options"
         [checked]="option.checked"
         (keydown.enter)="option.checked = !option.checked"
@@ -7,13 +8,13 @@
         [attr.aria-label]="option.name | translate"
         (change)="changeHandler($event, option)"
         class="adf-facet-filter">
-        <div matTooltip="{{ option.name | translate }}"
-            matTooltipPosition="right"
-            class="facet-name">
-            {{ option.name | translate }}
-        </div>
-
-    </mat-checkbox>
+            <div matTooltip="{{ option.name | translate }}"
+                matTooltipPosition="right"
+                class="facet-name">
+                {{ option.name | translate }}
+            </div>
+        </mat-checkbox>
+    </fieldset>
 </div>
 
 <div class="adf-facet-buttons" *ngIf="options.fitsPage && !settings?.hideDefaultAction">

lib/content-services/src/lib/search/components/search-check-list/search-check-list.component.scss

@@ -24,3 +24,9 @@
         }
     }
 }
+
+fieldset {
+    border: 0 none;
+}
+
+