fix(BE): kandang capacity and fix err response

internal/modules/master/kandangs/services/kandang.service.go

@@ -134,6 +134,7 @@ func (s *kandangService) CreateOne(c *fiber.Ctx, req *validation.Create) (*entit
 	createBody := &entity.Kandang{
 		Name:       req.Name,
 		LocationId: req.LocationId,
+		Capacity:   req.Capacity,
 		Status:     status,
 		PicId:      req.PicId,
 		CreatedBy:  1,
@@ -194,6 +195,10 @@ func (s kandangService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint)
 		updateBody["pic_id"] = *req.PicId
 	}
 
+	if req.Capacity != nil {
+		updateBody["capacity"] = *req.Capacity
+	}
+
 	finalStatus := strings.ToUpper(existing.Status)
 	if req.Status != nil {
 		status := strings.ToUpper(*req.Status)