Fix TypeScript build errors in product detail and admin review

src/app/(dashboard)/products/[productId]/detail/page.tsx

@@ -168,7 +168,9 @@ function ProductDetailPageInner() {
   }, [errorLoadText, params.productId, isDraft, isReview]);
 
   useEffect(() => {
-    if (!product?.subCategory?.id || product.subCategory.category?.name) {
+    const subCategoryId = product?.subCategory?.id;
+
+    if (!subCategoryId || product?.subCategory?.category?.name) {
       return;
     }
 
@@ -194,7 +196,7 @@ function ProductDetailPageInner() {
           const rows: CategoryOption[] = Array.isArray(subcategoriesJson?.rows)
             ? subcategoriesJson.rows
             : [];
-          if (rows.some((subCategory) => subCategory.id === product.subCategory?.id)) {
+          if (rows.some((subCategory) => subCategory.id === subCategoryId)) {
             if (!cancelled) {
               setResolvedMainCategoryName(category.name);
             }

src/app/admin/review/[productId]/page.tsx

@@ -133,11 +133,12 @@ interface CompareRow {
 function hasChangesForPaths(rows: CompareRow[], paths: string[]) {
   return rows.some((row) => {
     if (!row?.field || row.isUpdate !== true) return false;
+    const field = row.field;
     return paths.some(
       (path) =>
-        row.field === path ||
-        row.field.startsWith(`${path}.`) ||
-        row.field.startsWith(`${path}[`)
+        field === path ||
+        field.startsWith(`${path}.`) ||
+        field.startsWith(`${path}[`)
     );
   });
 }