fix(测试跟踪): 修复测试跟踪首页用例数量统计的缺陷

backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.xml

@@ -684,6 +684,7 @@
         FROM test_case
         WHERE project_id = #{projectId}
           AND (test_case.status IS NULL OR test_case.status != 'Trash')
+          and latest = true
         GROUP BY test_case.priority
     </select>