fix(erpProjectPlan): 修正项目选择时关联字段填充逻辑

- 取消调用 handleProjectChange 来填充关联字段
- 直接从选中项目数据中赋值项目经理、部门负责人和付款方式
- 解决关联字段填充不准确的问题
- 简化项目选择后的数据处理逻辑

src/views/oa/erp/erpProjectPlan/edit.vue

@@ -440,11 +440,17 @@ const openProjectSelect = () => {
 const projectInfoSelectCallBack = (data: ProjectInfoVO[]) => {
   if (data && data.length > 0) {
     const project = data[0];
+    // 基本信息
     form.value.projectId = project.projectId;
     selectedProjectCode.value = project.projectCode || '';
     selectedProjectName.value = project.projectName || '';
-    // 调用 handleProjectChange 填充其他关联字段
-    handleProjectChange(project.projectId, { syncManagerAndCharge: true, syncPaymentMethod: true });
+    // 直接从选中的项目数据中填充关联字段（项目经理、部门负责人、付款方式等）
+    form.value.managerId = project.managerId ?? undefined;
+    form.value.chargeId = project.chargeId ?? undefined;
+    form.value.managerName = (project as any).managerName ?? '';
+    form.value.chargeName = (project as any).chargeName ?? '';
+    form.value.managerDeptName = (project as any).deptName ?? '';
+    form.value.paymentMethod = project.paymentMethod ?? undefined;
   }
 };