fix: [공통] SearchableSelectionModal 테이블 HTML 유효성 에러 수정

- renderItem이 <tr>을 반환할 때 <div>로 래핑하여 발생하던 hydration 에러 해결
- cloneElement로 key/onClick을 직접 주입하여 <tbody><div><tr> 구조 방지
- 영향범위: OrderSelectModal, SalesOrderSelectModal, TaxInvoiceIssuance

src/components/organisms/SearchableSelectionModal/SearchableSelectionModal.tsx

@@ -1,6 +1,6 @@
 'use client';
 
-import { useState, useCallback, useEffect } from 'react';
+import { useState, useCallback, useEffect, cloneElement, isValidElement } from 'react';
 import { Search, X, Loader2 } from 'lucide-react';
 
 import {
@@ -156,11 +156,34 @@ export function SearchableSelectionModal<T>(props: SearchableSelectionModalProps
       );
     }
 
-    const itemElements = items.map((item) => (
-      <div key={keyExtractor(item)} onClick={() => handleItemClick(item)} className="cursor-pointer">
-        {renderItem(item, isSelected(item))}
-      </div>
-    ));
+    const itemElements = items.map((item) => {
+      const key = keyExtractor(item);
+      const rendered = renderItem(item, isSelected(item));
+
+      // renderItem이 유효한 React 엘리먼트를 반환하면 key와 onClick을 직접 주입 (div 래핑 없이)
+      // 이렇게 하면 <TableRow> 등 테이블 요소를 <div>로 감싸는 HTML 유효성 에러를 방지
+      if (isValidElement(rendered)) {
+        return cloneElement(rendered as React.ReactElement<Record<string, unknown>>, {
+          key,
+          onClick: (e: React.MouseEvent) => {
+            // 기존 onClick이 있으면 먼저 호출
+            const existingOnClick = (rendered.props as Record<string, unknown>)?.onClick;
+            if (typeof existingOnClick === 'function') {
+              (existingOnClick as (e: React.MouseEvent) => void)(e);
+            }
+            handleItemClick(item);
+          },
+          className: `cursor-pointer ${(rendered.props as Record<string, unknown>)?.className || ''}`.trim(),
+        });
+      }
+
+      // 일반 텍스트/fragment인 경우 기존 div 래핑 유지
+      return (
+        <div key={key} onClick={() => handleItemClick(item)} className="cursor-pointer">
+          {rendered}
+        </div>
+      );
+    });
 
     if (listWrapper) {
       const selectState = mode === 'multiple'