Fix Bug #401: 门诊完诊审计日志错误：div_log 表中 pool_id 与 slot_id 存值与设计规范不符

调整完诊时 div_log 的 pool_id/slot_id 获取优先级：优先使用 triage_queue_item
（挂号时录入的号源信息，为权威来源），队列项不存在或值缺失时回退使用
encounter → order → slot → pool 链路

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

openhis-server-new/openhis-domain/src/main/resources/mapper/administration/EncounterDiagnosisMapper.xml

@@ -15,7 +15,7 @@
         DELETE
         FROM adm_encounter_diagnosis
         WHERE encounter_id = #{encounterId}
-          AND tcm_flag = 0
+          AND tcm_flag = 1
     </delete>
     <select id="getEncounterDiagnosisByEncounterConDefId"
             resultType="com.openhis.administration.domain.EncounterDiagnosis">