复制费用的重置协议规则数据类型变更为数组

src/views/quoteConfig/agreement/agreementDetails.vue

@@ -1220,7 +1220,7 @@ const resetForm = () => {
   formInline.agreementId = '';//协议信息
   formInline.productId = "";//归属
   formInline.coverRuleId = '';//保险公司id
-  formInline.costRules = '';//协议类型
+  formInline.costRules = [];//协议类型
   formInline.agreementStatus = "";//有效状态
   formInline.auditStatus = "";//协议状态
   formInline.validState = "";