fix: 字典类型项数统计按 trim 后 DictType 分组汇总

避免类型编码首尾空格导致左侧菜单 itemCount 匹配失败。

src/Oms.Application/Services/System/DictService.cs

@@ -55,7 +55,11 @@ public class DictService : ApplicationService
         var kw = keyword?.Trim();
         var metaRows = await DictTypeRepository.GetListAsync();
         var countRows = await DictRepository.GetItemCountByTypeAsync();
-        var countMap = countRows.ToDictionary(x => x.DictType, x => x.ItemCount, StringComparer.OrdinalIgnoreCase);
+        var countMap = countRows
+            .Select(x => (Type: x.DictType.Trim(), x.ItemCount))
+            .Where(x => !string.IsNullOrWhiteSpace(x.Type))
+            .GroupBy(x => x.Type, StringComparer.OrdinalIgnoreCase)
+            .ToDictionary(g => g.Key, g => g.Sum(x => x.ItemCount), StringComparer.OrdinalIgnoreCase);
 
         var merged = new Dictionary<string, DictTypeOutput>(StringComparer.OrdinalIgnoreCase);
         foreach (var meta in metaRows)