style(flowable): 优化流程相关代码的import顺序和代码结构

openhis-ui-vue3/src/template/nursingRecordSheet.vue

@@ -234,7 +234,8 @@
 defineOptions({
   name: 'NursingRecordSheet',
 });
-import { getCurrentInstance, onBeforeMount, onMounted, reactive } from 'vue';
+import {getCurrentInstance, onBeforeMount, onMounted} from 'vue';
+
 const { proxy } = getCurrentInstance();
 const emits = defineEmits([]);
 const props = defineProps({