Add localization to transaction filter components

- Add i18n support to all transaction filter components
- Add translation keys for filter UI elements in ko.json and en.json
- Replace hardcoded Korean text with useTranslation hook
- Updated components: all-transaction-filter, cash-receipt-filter, billing-filter, escrow-filter

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/locales/en.json

@@ -49,7 +49,37 @@
     },
     "filter": {
         "title": "Search Filters",
+        "filter": "Filter",
+        "close": "Close",
+        "apply": "Apply",
+        "merchant": "Merchant",
+        "orderNumberTid": "OID/TID",
         "period": "Period",
+        "issuanceDate": "Issuance Date",
+        "transactionStatus": "Transaction Status",
+        "paymentMethod": "Payment Method",
+        "transactionAmount": "Transaction Amount",
+        "detailSearch": "Detail Search",
+        "purpose": "Purpose",
+        "transactionCategory": "Transaction Category",
+        "progressStatus": "Progress Status",
+        "approvalIssuanceNumber": "Approval/Issuance Number",
+        "requestStatus": "Request Status",
+        "processingResult": "Processing Result",
+        "deliveryStatus": "Delivery Status",
+        "searchOptions": {
+          "cardNumber": "Card Number",
+          "approvalNumber": "Approval Number",
+          "buyerName": "Buyer Name",
+          "virtualAccountNumber": "Virtual Account Number",
+          "depositorName": "Depositor Name",
+          "phoneNumber": "Phone Number",
+          "giftCardNumber": "Gift Card Number",
+          "customerId": "Customer ID",
+          "culturelandId": "Cultureland ID",
+          "tmoneyCardNumber": "T-money Card Number",
+          "issueNumber": "Issue Number"
+        },
         "periods": {
           "1month": "1 Month",
           "3months": "3 Months",