Bugfix/fix click of unknown accounts (#1629)

* Check for unknown key

* Update changelog

apps/client/src/app/pages/portfolio/allocations/allocations-page.component.ts

@@ -357,7 +357,7 @@ export class AllocationsPageComponent implements OnDestroy, OnInit {
   }
 
   public onAccountChartClicked({ symbol }: UniqueAsset) {
-    if (symbol) {
+    if (symbol && symbol !== UNKNOWN_KEY) {
       this.router.navigate([], {
         queryParams: { accountId: symbol, accountDetailDialog: true }
       });