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- Refactored WalletService to remove outdated methods and ensure wallet transactions reflect the correct amounts after discounts.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/appointments/DoctorTabs.tsx

@@ -33,6 +33,8 @@ export default function DoctorTabs({
               position: 'relative', background: 'none', border: 'none', cursor: 'pointer',
               fontFamily: 'inherit', fontSize: 15, fontWeight: 500, padding: '8px 2px 12px',
               color: active ? 'var(--primary)' : 'var(--text-2)', whiteSpace: 'nowrap',
+              // برچسب‌های کوتاه («همه») بدون این، عرضشان زیر ۴۴px می‌ماند (WCAG 2.5.5)
+              minWidth: 44,
             }}
           >
             {d.name}