fix: outbound total_amount 改为需权限 outbound_list:total_amount，库管无此权限则隐藏总金额

inventory-web/src/views/outbound/index.vue

@@ -170,11 +170,12 @@ const permissionMap: Record<string, string | null> = {
   outbound_no: null,
   outbound_time: null,
   outbound_type: null,
-  total_amount: null,
   consumer_name: null,
   operator_name: null,
   remark: null,
   signature_path: null,
+  // 金额列 — 需权限
+  total_amount: 'outbound_list:total_amount',
   // 明细列 — 始终可见
   sku: null,
   name: null,
@@ -183,6 +184,7 @@ const permissionMap: Record<string, string | null> = {
   spec_model: null,
   quantity: null,
   batch_sn: null,
+  // 明细金额 — 需权限
   unit_price: 'outbound_list:unit_price',
   subtotal: 'outbound_list:subtotal',
 }