fix: Home breadcrumb link

Author: el-rabies

projects/pathway-browser/src/app/event-hierarchy/event-hierarchy.component.html

@@ -1,6 +1,6 @@
 <div id="hierarchy-container">
   <div id="breadcrumb-container">
-    <a routerLink="" preserveFragment="true" queryParamsHandling="merge" matTooltip="Pathways overview" [queryParams]="{select: state.pathwayId()}">
+    <a routerLink="/PathwayBrowser" preserveFragment="true" queryParamsHandling="merge" matTooltip="Pathways overview" [queryParams]="{select: state.pathwayId()}">
       <ng-container class="icon-container">
         <mat-icon class='home-icon custom-icon primary' svgIcon="home"></mat-icon>
       </ng-container>