fix: 修正全系統側邊欄捲軸重置問題

在所有報表與管理頁面的 router.get 調用中加入 preserveScroll: true。
受影響模組包括：
- 財務管理 (會計報表、公用事業費)
- 庫存管理 (庫存查詢、倉庫管理、進貨、調整、調撥)
- 生產管理 (工單管理、配方管理)
- 採購管理 (採購單)
- 銷售與發貨管理 (銷售單、發貨單、匯入管理)
- 系統管理 (使用者、角色、操作紀錄)

resources/js/Pages/Admin/ActivityLog/Index.tsx

@@ -81,7 +81,7 @@ export default function ActivityLogIndex({ activities, filters, subject_types, u
                 causer_id: causer === 'all' ? undefined : causer,
                 page: 1 // Reset to first page on filter
             },
-            { preserveState: true, replace: true }
+            { preserveState: true, replace: true, preserveScroll: true }
         );
     };
 
@@ -97,7 +97,7 @@ export default function ActivityLogIndex({ activities, filters, subject_types, u
         router.get(
             route('activity-logs.index'),
             { per_page: perPage, sort_by: filters.sort_by, sort_order: filters.sort_order },
-            { preserveState: true, replace: true }
+            { preserveState: true, replace: true, preserveScroll: true }
         );
     };
 
@@ -131,7 +131,7 @@ export default function ActivityLogIndex({ activities, filters, subject_types, u
         router.get(
             route('activity-logs.index'),
             { ...filters, sort_by: newSortBy, sort_order: newSortOrder },
-            { preserveState: true, replace: true }
+            { preserveState: true, replace: true, preserveScroll: true }
         );
     };
 

resources/js/Pages/Admin/Role/Index.tsx

@@ -96,7 +96,7 @@ export default function RoleIndex({ roles, filters = {} }: Props) {
         router.get(
             route('roles.index'),
             { ...filters, sort_by: newSortBy, sort_order: newSortOrder },
-            { preserveState: true, replace: true }
+            { preserveState: true, replace: true, preserveScroll: true }
         );
     };
 

resources/js/Pages/Admin/User/Index.tsx

@@ -164,7 +164,7 @@ export default function UserIndex({ users, roles, filters }: Props) {
         router.get(
             route('users.index'),
             { ...filters, sort_by: newSortBy, sort_order: newSortOrder },
-            { preserveState: true, replace: true }
+            { preserveState: true, replace: true, preserveScroll: true }
         );
     };