fix(report): 优化设备注册表单数据初始化和更新逻辑

- 修复了表单数据更新时可能导致原始数据丢失的问题
- 优化了表单初始化逻辑，确保信息列表始终至少有 3 个空项
- 添加了 formData 变化的监听器，用于调试和可能的进一步处理

src/views/report/eventList/EquipmentRegistrationForm.vue

@@ -300,8 +300,8 @@
         deep: true,
         immediate: true,
         handler(newVal) {
-          const localData = JSON.parse(JSON.stringify(newVal))
-          if (!newVal.infoList || newVal.infoList.length < 3) {
+          const copiedData = JSON.parse(JSON.stringify(newVal));
+          if (!copiedData.infoList || copiedData.infoList.length < 3) {
             const requiredLength = 3;
             const emptyItem = {
               manufacturer: '',
@@ -310,17 +310,22 @@
               internalId: ''
             };
 
-            while (newVal.infoList.length < requiredLength) {
-              newVal.infoList.push({ ...emptyItem });
+            while (copiedData.infoList.length < requiredLength) {
+              copiedData.infoList.push({ ...emptyItem });
             }
           }
-          this.formData = {
-            ...this.formData,  // 保留现有数据
-            infoList: localData.infoList // 仅更新列表
-          }
+          this.formData = { ...this.formData, ...copiedData }
           console.log(this.formData)
         }
       },
+      formData: {
+        deep: true,
+        immediate: true,
+        handler(newVal) {
+          console.log(newVal)
+
+        }
+      },
       'formData.cylinderQuantity': {
         handler(newVal) {
           // 触发表单重新校验
@@ -331,7 +336,12 @@
       }
     },
     created() {
-
+      this.formData = JSON.parse(JSON.stringify(this.initialData));
+      // 然后在这里补齐长度
+      if (!this.formData.infoList) this.formData.infoList = [];
+      while (this.formData.infoList.length < 3) {
+        this.formData.infoList.push({ manufacturer: '', productionDate: '', productId: '', internalId: '' });
+      }
     },
     methods: {
       shouldValidate(index) {