fix(接口测试): 修复文档断言长度失败的缺陷

--bug=1029411 --user=王孝刚
【接口测试】github#26338，【接口定义】文档结果校验，当校验array长度等于具体值时，出现断言失败，但实际这个数组长度确实是7
https://www.tapd.cn/55049933/s/1410876

api-test/frontend/src/business/definition/components/assertion/ApiAssertionDuration.vue

@@ -11,7 +11,6 @@
           type="number"
           @change="change"
           @input="input"
-          :min="1"
           :placeholder="$t('api_test.request.assertions.response_in_time')"
           onKeypress="return (/[\d]/.test(String.fromCharCode(event.keyCode)))" />
       </el-col>

framework/sdk-parent/jmeter/src/main/java/io/metersphere/utils/DocumentUtils.java

@@ -35,7 +35,7 @@ public class DocumentUtils {
                             isTrue = StringUtils.contains(resValue, expectedValue);
                             break;
                         case "length_eq":
-                            isTrue = getLength(resValue, decimalFormatter) == numberOf(item.getValue());
+                            isTrue = getLength(subj, decimalFormatter) == numberOf(item.getValue());
                             break;
                         case "length_not_eq":
                             isTrue = getLength(subj, decimalFormatter) != numberOf(item.getValue());