refactor: 面单字段字典去掉发件人组，单号组按标题字数排序

Co-authored-by: Cursor <cursoragent@cursor.com>

src/Oms.Application/Labeling/LabelFieldDictionary.cs

@@ -13,10 +13,11 @@ public static class LabelFieldDictionary
             Title = "单号",
             Fields =
             [
+                // 按标题字符数升序：运单号/跟踪号/请求号(3) → 客户单号(4)
                 Field("serviceNo", "运单号"),
-                Field("clientNo", "客户单号"),
                 Field("trackNo", "跟踪号"),
-                Field("requestId", "请求号")
+                Field("requestId", "请求号"),
+                Field("clientNo", "客户单号")
             ]
         },
         new LabelFieldGroup
@@ -59,23 +60,6 @@ public static class LabelFieldDictionary
             ]
         },
         new LabelFieldGroup
-        {
-            Code = "sender",
-            Title = "发件人",
-            Fields =
-            [
-                Field("senderName", "发件人"),
-                Field("senderCompany", "发件公司"),
-                Field("senderPhone", "发件电话"),
-                Field("senderEmail", "发件邮箱"),
-                Field("senderZip", "发件邮编"),
-                Field("senderProvince", "发件省/州"),
-                Field("senderCity", "发件城市"),
-                Field("senderStreet1", "发件街道1"),
-                Field("senderAddressFull", "发件完整地址")
-            ]
-        },
-        new LabelFieldGroup
         {
             Code = "weight",
             Title = "重量尺寸",