fix : create category variant

src/modules/category/category.service.ts

@@ -214,7 +214,7 @@ class CategoryService {
       const category = await this.checkCategoryId(catId);
 
       // Check if the theme already exists
-      if (category.theme) throw new BadRequestError(CategoryMessage.AlreadyExist);
+      // if (category.theme) throw new BadRequestError(CategoryMessage.AlreadyExist);
 
       // Ensure the theme matches the provided attributes and create variants
       const variantRefs = await this.createVariantsBasedOnTheme(session, theme, colors, sizes, meterages);