Task/add account balances management component and integrate into account detail dialog

apps/client/src/app/components/account-detail-dialog/account-detail-dialog.html

@@ -148,6 +148,7 @@
           [accountBalances]="accountBalances"
           [accountCurrency]="currency"
           [accountId]="data.accountId"
+          [currentBalance]="balance"
           [locale]="user?.settings?.locale"
           [showActions]="
             !data.hasImpersonationId &&

libs/ui/src/lib/account-balances/account-balances.component.ts

@@ -70,6 +70,7 @@ export class GfAccountBalancesComponent implements OnChanges, OnInit {
     input.required<AccountBalancesResponse['balances']>();
   public readonly accountCurrency = input.required<string>();
   public readonly accountId = input.required<string>();
+  public readonly currentBalance = input<number | null>();
   public readonly displayedColumns: string[] = ['date', 'value', 'actions'];
   public readonly locale = input(getLocale());
   public readonly showActions = input(true);
@@ -102,6 +103,8 @@ export class GfAccountBalancesComponent implements OnChanges, OnInit {
       this.dataSource.sort = this.sort();
       this.dataSource.sortingDataAccessor = get;
     }
+
+    this.prefillAccountBalanceForm();
   }
 
   public onDeleteAccountBalance(aId: string) {
@@ -140,4 +143,17 @@ export class GfAccountBalancesComponent implements OnChanges, OnInit {
 
     this.accountBalanceCreated.emit(accountBalance);
   }
+
+  private prefillAccountBalanceForm() {
+    const currentBalance = this.currentBalance();
+
+    if (
+      typeof currentBalance !== 'number' ||
+      !this.accountBalanceForm.controls.balance.pristine
+    ) {
+      return;
+    }
+
+    this.accountBalanceForm.patchValue({ balance: currentBalance });
+  }
 }