fix(接口测试): 修复jsonSchema参数为null时的转换问题

--bug=1020859 --user=宋天阳
【接口测试】接口json-schema中如果有参数a，关闭json-schema，编辑json字符串把参数a改成null，再开启json-schema，a的值没变
https://www.tapd.cn/55049933/s/1316060

api-test/backend/src/main/java/io/metersphere/base/mapper/ext/ExtApiScenarioReferenceIdMapper.xml

@@ -11,9 +11,6 @@
             <if test="versionId != null">
                 AND version_id = #{versionId}
             </if>
-            <if test="versionId == null">
-                AND latest = 1
-            </if>
           )
           AND reference_id IS NOT NULL
     </select>

api-test/backend/src/main/java/io/metersphere/service/definition/ApiDefinitionService.java

@@ -170,7 +170,6 @@ public class ApiDefinitionService {
     private static final String SCHEDULE = "schedule";
 
 
-
     public List<ApiDefinitionResult> list(ApiDefinitionRequest request) {
         request = this.initRequest(request, true, true);
         List<ApiDefinitionResult> resList = extApiDefinitionMapper.list(request);
@@ -354,8 +353,8 @@ public class ApiDefinitionService {
                 definitionList = this.selectEffectiveIdByProjectId(request.getProjectId(), versionId);
             }
             if (CollectionUtils.isNotEmpty(definitionList)) {
-                //如果查询条件中有未覆盖/已覆盖， 则需要解析出没有用例的接口中，有多少是符合场景覆盖规律的。然后将这些接口的id作为查询参数
+                //如果查询条件中有未覆盖/已覆盖， 则需要解析出没有用例的接口中，有多少是符合场景覆盖规律的。然后将这些接口的id作为查询参数. 这里不根据版本筛选覆盖的url。
-                Map<String, Map<String, String>> scenarioUrlList = apiAutomationService.selectScenarioUseUrlByProjectId(request.getProjectId(), versionId);
+                Map<String, Map<String, String>> scenarioUrlList = apiAutomationService.selectScenarioUseUrlByProjectId(request.getProjectId(), null);
                 List<String> apiIdInScenario = apiAutomationService.getApiIdInScenario(request.getProjectId(), scenarioUrlList, definitionList);
                 if (CollectionUtils.isNotEmpty(apiIdInScenario)) {
                     request.setCoverageIds(apiIdInScenario);
@@ -935,21 +934,6 @@ public class ApiDefinitionService {
     }
 
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
     /**
      * 获取存储执行结果报告
      *

api-test/frontend/src/business/commons/json-schema/schema/editor/type/null.js

@@ -0,0 +1,11 @@
+const value = {
+  description: null,
+};
+const attr = {
+  description: {
+    name: '描述',
+    type: 'string',
+  },
+};
+const wrapper = { value, attr };
+export default wrapper;

api-test/frontend/src/business/commons/json-schema/schema/editor/type/type.js

@@ -4,6 +4,7 @@ import _array from './array';
 import _boolean from './boolean';
 import _integer from './integer';
 import _number from './number';
+import _null from './null';
 
 const TYPE_NAME = ['string', 'number', 'integer', 'object', 'array', 'boolean', 'null'];
 
@@ -14,7 +15,7 @@ const TYPE = {
   boolean: _boolean,
   integer: _integer,
   number: _number,
-  null: { description: null },
+  null: _null,
 };
 export { TYPE, TYPE_NAME };
 

api-test/frontend/src/business/definition/components/body/ApiBody.vue

@@ -212,6 +212,14 @@ export default {
           this.assignKey(to, from, key);
         }
       }
+      //判断null
+      if (to.type && from.type) {
+        to.type = from.type;
+        if (from.type === 'null') {
+          this.assign(Object(to.mock), { mock: '' });
+        }
+      }
+
       let property = ['description', 'maxLength', 'minLength', 'pattern', 'format', 'enum', 'default'];
       // 清除多出部分属性
       for (let key in to) {

api-test/frontend/src/business/home/ApiHome.vue

@@ -10,7 +10,7 @@
               :placeholder="$t('home.dashboard.public.default_version')"
               size="small"
               style="height: 100%">
-              <el-option v-for="item in versions" :key="item.id" :label="item.name" :value="item.id"> </el-option>
+              <el-option v-for="item in versions" :key="item.id" :label="item.name" :value="item.id"></el-option>
             </el-select>
           </el-row>
           <el-row :gutter="16">
@@ -233,6 +233,7 @@ export default {
 .api-home-layout :deep(.dashboard-title) {
   font-size: 18px;
   font-weight: 500;
+  color: #1f2329;
 }
 
 .api-home-layout :deep(.common-amount) {