fixed #129: fixed creating a new role problem

Author: ismcagdas

src/AbpCompanyName.AbpProjectName.Application/Roles/RoleAppService.cs

@@ -49,6 +49,8 @@ public override async Task<RoleDto> Create(CreateRoleDto input)
 
             CheckErrors(await _roleManager.CreateAsync(role));
 
+            UnitOfWorkManager.Current.SaveChanges();
+
             var grantedPermissions = PermissionManager
                 .GetAllPermissions()
                 .Where(p => input.Permissions.Contains(p.Name))