fix:修复规则主体重复校验逻辑错误

src/SJZY.Track.Repository/Repositories/WarningRuleRepository.cs

@@ -14,15 +14,17 @@ public sealed class WarningRuleRepository : BasicRepository<WarningRuleEntity>,
 
     public async Task<bool> CheckNameDuplicateAsync(int id, int subsystemId, int customId, string name)
     {
-        var entity = await Context.Queryable<WarningRuleEntity>()
+        var list = await Context.Queryable<WarningRuleEntity>()
             .Where(x => x.SubSystemId == subsystemId &&
                         x.CustomId == customId
                         && string.Equals(x.Name, name))
-            .FirstAsync();
+            .ToListAsync();
 
-        // 如果是新增，则要求不能重复添加 subsystemId+customId+name三者都相同的
-        if (id == 0)
-            return entity != null;
+        var entity = list.First();
+
+        // 不重复
+        if (entity == null)
+            return false;
 
         // 如果是修改，则要求查出来的和要修改的是同一个，否则视为重复
         return entity.Id != id;