Skip insert permissions if the permissions are empty.

Author: maliming

modules/permission-management/src/Volo.Abp.PermissionManagement.Domain/Volo/Abp/PermissionManagement/PermissionDataSeeder.cs

@@ -36,6 +36,10 @@ public virtual async Task SeedAsync(
             var names = grantedPermissions.ToArray();
             var existsPermissionGrants = (await PermissionGrantRepository.GetListAsync(names, providerName, providerKey)).Select(x => x.Name).ToList();
             var permissions = names.Except(existsPermissionGrants).Select(permissionName => new PermissionGrant(GuidGenerator.Create(), permissionName, providerName, providerKey, tenantId)).ToList();
+            if (!permissions.Any())
+            {
+                return;
+            }
             await PermissionGrantRepository.InsertManyAsync(permissions);
         }
     }