fix(#791): 请修复 Bug #791（诸葛亮分析完成，分配给你）

根因：
- Bug #请修复 Bug #791（诸葛亮分析完成，分配给你） 存在的问题

修复：
- Good, the primary fix is applied. Now let me also check for a secondary issue — the `syndromeGroupNo` is regenerated every time for already-saved items, which could cause problems with grouping:

healthlink-his-ui/src/views/inpatientDoctor/home/components/diagnosis/diagnosis.vue

@@ -1009,6 +1009,7 @@ function handleSaveDiagnosis() {
                 // 病（illness）
                 {
                   conditionId: item.conditionId || null,
+                  encounterDiagnosisId: item.encounterDiagnosisId || null,
                   name: item.name,
                   ybNo: item.ybNo,
                   definitionId: item.definitionId || null,