Fix Bug #505: 【业务逻辑缺陷】药品医嘱已由药房发药，护士仍能在"医嘱校对"模块执行"退回"操作

前后端双重校验防止已发药医嘱被退回：
1. 后端 InpatientAdviceDto 新增 dispenseStatus 字段，Mapper SQL LEFT JOIN med_medication_dispense 获取发药状态
2. 后端 adviceReject 方法增加前置校验，已发药(COMPLETED)的医嘱直接拒绝退回
3. 前端 prescriptionList.vue handleCancel 方法增加 dispenseStatus 校验，已发药医嘱点击退回时弹窗提示

openhis-server-new/openhis-application/src/main/resources/mapper/inhospitalnursestation/AdviceProcessAppMapper.xml

@@ -153,7 +153,8 @@
            ii.balance_amount AS balance_amount,
            ii.account_id AS account_id,
            ii.performer_check_id,
-           ii.category_code
+           ii.category_code,
+           ii.dispense_status
     FROM (( SELECT T1.encounter_id,
                    T1.tenant_id,
                    #{medMedicationRequest} AS advice_table,
@@ -197,7 +198,8 @@
                    pra."name" AS admitting_doctor_name,
                    personal_account.balance_amount,
                    personal_account.id AS account_id,
-                   T2.category_code
+                   T2.category_code,
+                   mmd.status_enum AS dispense_status
             FROM med_medication_request AS T1
                      LEFT JOIN med_medication_definition AS T2
                                ON T2.id = T1.medication_id
@@ -278,6 +280,9 @@
                                          aa.balance_amount
                            ) AS personal_account
                               ON personal_account.encounter_id = ae.id
+                     LEFT JOIN med_medication_dispense mmd
+                               ON mmd.med_req_id = T1.id
+                                   AND mmd.delete_flag = '0'
                 WHERE T1.delete_flag = '0'
                 AND T1.refund_medicine_id IS NULL
                 AND T1.generate_source_enum = #{doctorPrescription}
@@ -331,7 +336,8 @@
                    pra."name" AS admitting_doctor_name,
                    personal_account.balance_amount,
                    personal_account.id AS account_id,
-                   T2.category_code
+                   T2.category_code,
+                   NULL AS dispense_status
             FROM wor_service_request AS T1
                      LEFT JOIN wor_activity_definition AS T2
                                ON T2.id = T1.activity_id