feat: update session payment logic to ensure accurate payable amounts and reflect consumables in cost breakdown

- Adjusted the calculation of payable amounts in PaymentStep to align with server logic, ensuring overpayments are handled correctly.
- Enhanced DetailsStep to include consumables in the itemized cost breakdown, ensuring consistency with patient share calculations.
- Updated tests for SessionPaymentPage to validate new behavior regarding overpayments and consumable listings.
- Modified PatientController to register SessionPayment correctly when settling sessions via wallet, preventing double charges.
- Refactored WalletService to remove outdated methods and ensure wallet transactions reflect the correct amounts after discounts.
- Improved accessibility in SearchableSelect component by adding aria labels and ensuring proper role attributes for screen readers.
- Updated styles to ensure minimum touch targets meet WCAG guidelines for mobile usability.

assets/admin/components/ui/SearchableSelect.test.tsx

@@ -31,3 +31,25 @@ describe('SearchableSelect — تطبیق مقدار', () => {
     expect(screen.queryByText('تامین اجتماعی')).not.toBeInTheDocument();
   });
 });
+
+describe('SearchableSelect — نام دسترس‌پذیر', () => {
+  it('در نبود ariaLabel، از placeholder به‌عنوان نام استفاده می‌کند', () => {
+    render(<SearchableSelect options={insuranceOpts} onChange={() => {}} placeholder="نوع بیمه" />);
+    expect(screen.getByRole('combobox', { name: 'نوع بیمه' })).toBeInTheDocument();
+  });
+
+  it('ariaLabel بر placeholder اولویت دارد', () => {
+    render(<SearchableSelect options={insuranceOpts} onChange={() => {}} placeholder="انتخاب کنید..." ariaLabel="بیمه پایه" />);
+    expect(screen.getByRole('combobox', { name: 'بیمه پایه' })).toBeInTheDocument();
+  });
+
+  it('ariaLabelledBy به label قابل‌مشاهده وصل می‌شود', () => {
+    render(
+      <>
+        <span id="lbl-city">شهر</span>
+        <SearchableSelect options={[{ value: 9, label: 'یزد' }]} onChange={() => {}} ariaLabelledBy="lbl-city" />
+      </>,
+    );
+    expect(screen.getByRole('combobox', { name: 'شهر' })).toBeInTheDocument();
+  });
+});