Fix loading state of accounts table

apps/client/src/app/pages/accounts/accounts-page.html

@@ -3,7 +3,7 @@
     <div class="col">
       <h1 class="d-none d-sm-block h3 mb-4 text-center" i18n>Accounts</h1>
       <gf-accounts-table
-        [accounts]="accounts ?? []"
+        [accounts]="accounts"
         [activitiesCount]="activitiesCount"
         [baseCurrency]="user?.settings?.baseCurrency"
         [hasPermissionToDeleteAccount]="hasPermissionToDeleteAccount"

libs/ui/src/lib/accounts-table/accounts-table.component.ts

@@ -56,7 +56,7 @@ import { NgxSkeletonLoaderModule } from 'ngx-skeleton-loader';
   templateUrl: './accounts-table.component.html'
 })
 export class GfAccountsTableComponent {
-  public readonly accounts = input.required<AccountWithValue[]>();
+  public readonly accounts = input.required<AccountWithValue[] | undefined>();
   public readonly activitiesCount = input<number>();
   public readonly baseCurrency = input<string>();
   public readonly hasPermissionToDeleteAccount = input<boolean>();
@@ -159,7 +159,7 @@ export class GfAccountsTableComponent {
 
     // Reactive data update
     effect(() => {
-      this.dataSource.data = this.accounts();
+      this.dataSource.data = this.accounts() ?? [];
     });
 
     // Reactive view connection