fix(缺陷管理): 修复缺陷管理多选输入框数据返显错误的问题

--bug=1036382 --user=宋天阳 【缺陷管理】创建缺陷-多选输入框字段显示错误 https://www.tapd.cn/55049933/s/1470419

backend/services/bug-management/src/main/java/io/metersphere/bug/mapper/ExtBugCustomFieldMapper.xml

@@ -11,7 +11,8 @@
     </select>
 
     <select id="getBugAllCustomFields" resultType="io.metersphere.bug.dto.response.BugCustomFieldDTO">
-        select cf.name, bcf.value, bcf.bug_id, bcf.field_id as id from bug_custom_field bcf left join custom_field cf on bcf.field_id = cf.id
+        select cf.name, bcf.value, bcf.bug_id, bcf.field_id as id, cf.type as type
+        from bug_custom_field bcf left join custom_field cf on bcf.field_id = cf.id
         and cf.scene = 'BUG' and cf.scope_type = 'PROJECT' and scope_id = #{projectId}
         where bug_id in
         <foreach collection="ids" item="id" separator="," open="(" close=")">

frontend/src/views/bug-management/edit.vue

@@ -565,6 +565,8 @@
         if (item.id === 'status' && isCopy.value) {
           // 复制时, 状态赋值为空
           tmpObj[item.id] = '';
+        } else if (item.type === 'MULTIPLE_SELECT') {
+          tmpObj[item.id] = JSON.parse(item.value);
         } else {
           tmpObj[item.id] = item.value;
         }