fix(system-header): adjust to previous breadcrumb structure

Signed-off-by: Maude Laflamme <[email protected]>

Author: MaudeLaflamme

projects/angular-ui/src/lib/system-header/system-header.component.ts

@@ -124,10 +124,10 @@ export class BaoSystemHeaderComponent implements AfterViewInit, OnInit {
       if (this.textContainerChildren[0].className == 'bao-breadcrumb') {
         // Retrieve link of parent page
         const breadcrumbElementsList =
-          this.textContainerChildren[0].children[0].children[0];
+          this.textContainerChildren[0].children[0];
         const breadcrumbLength = breadcrumbElementsList.children.length;
         const parentLink =
-          breadcrumbElementsList.children[breadcrumbLength - 2].children[0]
+          breadcrumbElementsList.children[breadcrumbLength - 2]
             .attributes['href'].value;
         // Remove Breadcrumb component and replace it with back button
         this.renderer.removeChild(