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- Refactored WalletService to remove outdated methods and ensure wallet transactions reflect the correct amounts after discounts.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

@@ -100,7 +100,7 @@ function LogoUploadField({ value, onChange, uploadUrl }: {
       <label className={`btn ghost sm ${uploading ? 'disabled' : ''}`} style={{ cursor: uploading ? 'not-allowed' : 'pointer' }}>
         <PhotoIcon style={{ width: 15, height: 15 }} />
         {uploading ? 'در حال آپلود...' : (value ? 'تغییر لگو' : 'انتخاب لگو')}
-        <input type="file" accept="image/jpeg,image/png,image/webp" style={{ display: 'none' }} onChange={handleFile} disabled={uploading} />
+        <input type="file" aria-label="انتخاب فایل لگو" accept="image/jpeg,image/png,image/webp" style={{ display: 'none' }} onChange={handleFile} disabled={uploading} />
       </label>
       <span className="muted" style={{ fontSize: 11 }}>JPG، PNG یا WebP</span>
     </div>
@@ -212,7 +212,7 @@ function TabActions({ label, onClick, exportUrl, exportFile, bundle, entityLabel
 
   return (
     <div style={{ display: 'flex', justifyContent: 'flex-end', gap: 8, padding: 'var(--card-pad)' }}>
-      <input ref={fileRef} type="file" accept=".json,application/json" style={{ display: 'none' }} onChange={handleFile} />
+      <input ref={fileRef} type="file" aria-label="انتخاب فایل JSON برای درون‌ریزی" accept=".json,application/json" style={{ display: 'none' }} onChange={handleFile} />
       <button onClick={() => fileRef.current?.click()} className="btn ghost sm">
         <ArrowUpTrayIcon style={{ width: 15, height: 15 }} />
         ورود JSON