fix(接口定义): 修复新建case，环境保存失败的缺陷

--bug=1021225 --user=王孝刚 【接口测试】新建接口用例，环境保存失败
https://www.tapd.cn/55049933/s/1319278

frontend/src/business/components/api/definition/components/case/ApiCaseItem.vue

@@ -605,7 +605,7 @@ export default {
         if (!hideAlert) {
           this.$emit('refresh');
         }
-        this.$emit('refreshCaseList');
+        this.$emit('refreshCaseList',row.id);
       }, (error) => {
         this.isSave = false;
       });

frontend/src/business/components/api/definition/components/case/ApiCaseList.vue

@@ -411,8 +411,20 @@ export default {
     refresh() {
       this.$emit('refresh');
     },
-    refreshCaseList() {
-      this.getApiTest(true,true);
+    refreshCaseList(id) {
+      return new Promise((resolve) => {
+        let commonUseEnvironment = this.$store.state.useEnvironment;
+        this.environment = commonUseEnvironment ? commonUseEnvironment : "";
+        this.result = this.$get("/api/testcase/findById/" + id, response => {
+          let apiCase = response.data;
+          if (apiCase) {
+            this.formatCase(apiCase);
+            apiCase.active = true;
+            this.apiCaseList = [apiCase];
+          }
+          resolve();
+        });
+      });
     },
     reLoadCase() {
       this.$emit('reLoadCase');