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- Refactored WalletService to remove outdated methods and ensure wallet transactions reflect the correct amounts after discounts.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

@@ -14,7 +14,8 @@ export interface SessionPaymentEntry {
 export interface SessionCardData {
   uuid: string;
   services?: Array<{ service_item_uuid?: string; service_name?: string; name?: string; line_total_rials?: number; price_rials?: number; quantity?: number }>;
-  consumables?: Array<{ inventory_item_uuid?: string; item_name?: string; price_rials?: number; quantity?: number }>;
+  // مطابق SessionConsumable::toArray در بک‌اند
+  consumables?: Array<{ uuid?: string; inventory_item_uuid?: string; item_name?: string; unit?: string; price_rials?: number; quantity?: number; line_total_rials?: number }>;
   visit_price_rials?: number;
   services_total_rials?: number;
   session_at?: number | null;