fix：机构排名，获取接收的任务，过滤agencyId=null的task

core/src/main/java/com/mooctest/crowd/domain/dao/CrowdTestTaskDao.java

@@ -27,7 +27,7 @@ public interface CrowdTestTaskDao extends CrudRepository<CrowdTestTaskPO, Long>
 
     List<CrowdTestTaskPO> findAllByIsDeleted(int isDeleted);
 
-    @Query(value = "SELECT new com.mooctest.crowd.domain.model.RankInfo(SUM(p.quotedPrice), p.evaluationAgencyId) FROM CrowdTestTaskPO p GROUP BY p.evaluationAgencyId ORDER BY SUM(p.quotedPrice) DESC")
+    @Query(value = "SELECT new com.mooctest.crowd.domain.model.RankInfo(SUM(p.quotedPrice), p.evaluationAgencyId) FROM CrowdTestTaskPO p where p.evaluationAgencyId is not null GROUP BY p.evaluationAgencyId ORDER BY SUM(p.quotedPrice) DESC")
     List<RankInfo> findTotalPriceOfAgency(Pageable pageable);
 
     @Query(nativeQuery = true, value = "select * from crowd_test_task where CTT_STATUS = 1 order by CTT_QUOTED_PRICE DESC LIMIT 4")