fix(接口测试): 修复dubbo插件无法执行问题

--bug=1018955 --user=王孝刚 【接口测试】接口定义-dubbo协议-输入正确的Registry Center-Get provider list失败 https://www.tapd.cn/55049933/s/1279913

api-test/frontend/src/business/definition/components/request/dubbo/Interface.vue

@@ -95,10 +95,12 @@
         dubboProviders(param).then(response => {
           this.methodMap = {};
           this.interfaces = [];
-          response.data.data.forEach(p => {
+          if(response.data) {
+            response.data.forEach(p => {
               this.providerMap[p.serviceInterface] = p;
               this.interfaces.push({label: p.service, value: p.serviceInterface})
             });
+          }
           if (this.methodMap[this.request.interface]) {
             this.methods = this.methodMap[this.request.interface].methods;
           }

framework/sdk-parent/sdk/pom.xml

@@ -187,10 +187,6 @@
                     <artifactId>mail</artifactId>
                     <groupId>javax.mail</groupId>
                 </exclusion>
-                <exclusion>
-                    <artifactId>fastjson</artifactId>
-                    <groupId>com.alibaba</groupId>
-                </exclusion>
             </exclusions>
         </dependency>
         <dependency>
@@ -305,10 +301,6 @@
                     <artifactId>ApacheJMeter_core</artifactId>
                     <groupId>org.apache.jmeter</groupId>
                 </exclusion>
-                <exclusion>
-                    <artifactId>fastjson</artifactId>
-                    <groupId>com.alibaba</groupId>
-                </exclusion>
             </exclusions>
         </dependency>
         <!--随机数据生成API-->