인벤토리 include 필터 문구 수정

lib/features/inventory/rental/presentation/pages/rental_page.dart

@@ -422,6 +422,7 @@ class _RentalPageState extends State<RentalPage> {
               key: ValueKey(_pendingIncludes.hashCode),
               controller: _includeController,
               initialValues: _pendingIncludes,
+              placeholder: const Text(RentalTableSpec.includeEmptyLabel),
               selectedOptionsBuilder: (context, values) {
                 if (values.isEmpty) {
                   return const Text(RentalTableSpec.includeEmptyLabel);

lib/features/inventory/rental/presentation/specs/rental_table_spec.dart

@@ -48,7 +48,7 @@ class RentalTableSpec {
   static const String allRentalTypeLabel = '대여구분 전체';
 
   /// include 선택 없음 라벨.
-  static const String includeEmptyLabel = 'Include 없음';
+  static const String includeEmptyLabel = '선택 없음';
 
   /// 테이블 열 폭 기준 값.
   static const double columnSpanWidth = 140;
@@ -66,7 +66,7 @@ class RentalTableSpec {
   static String includeLabel(String value) {
     switch (value) {
       case 'lines':
-        return '라인 포함';
+        return '상세정보 포함';
       case 'customers':
         return '고객 포함';
       default: