fix(项目设置): 缺陷模板复制当前项目刷新TAB页的问题

--bug=1015845 --user=宋昌昌 【项目设置】复制缺陷模版到当前项目，复制完需要切换到其他tab页才会显示模版 https://www.tapd.cn/55049933/s/1224188

frontend/src/business/components/project/template/IssueTemplateCopy.vue

@@ -100,6 +100,7 @@ export default {
       let request = {id: self.copyData.id, copyModel: self.copyModelVal, targetProjectIds: checkProjectIds}
       self.$post('field/template/issue/copy', request, (response) => {
         this.showDialog = false;
+        this.$emit('refresh');
         this.$message({
           type: 'success',
           message: this.$t('commons.copy_success'),