fix(mes-dv): 修复 MachineryTypeForm 的 TypeScript linter 警告

移除 formData 声明中多余的 `as unknown as number/string` 类型断言，
与 WorkstationForm 等其他表单组件保持一致的写法。

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/views/mes/dv/machinery/type/MachineryTypeForm.vue

@@ -65,13 +65,13 @@ const dialogTitle = ref('') // 弹窗的标题
 const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
 const formType = ref('') // 表单的类型：create - 新增；update - 修改
 const formData = ref({
-  id: undefined as unknown as number,
+  id: undefined,
-  parentId: undefined as unknown as number,
+  parentId: undefined,
-  code: undefined as unknown as string,
+  code: undefined,
-  name: undefined as unknown as string,
+  name: undefined,
   sort: 0,
   status: CommonStatusEnum.ENABLE,
-  remark: undefined as unknown as string
+  remark: undefined
 })
 const formRules = reactive({
   parentId: [{ required: true, message: '上级类型不能为空', trigger: 'blur' }],
@@ -132,7 +132,6 @@ const submitForm = async () => {
 
 /** 重置表单 */
 const resetForm = () => {
-  // TODO @AI：linter
   formData.value = {
     id: undefined,
     parentId: undefined,