refactor(console): migrate tenant management to TenantManager pattern

- Replace TenantRepository with TenantManager (ASP.NET Identity style)
- Change TenantId from long to int (auto-increment)
- Add TenantStore with CRUD operations
- Update TenantService, UserService, RoleService to use TenantManager
- Add Tenant entity with TenantStatus enum
- Update DTOs and controllers for int tenant IDs

Fengling.Platform.Infrastructure/Fengling.Platform.Infrastructure.csproj

@@ -5,6 +5,7 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+    <EnableDefaultEmbeddedResourceItems>false</EnableDefaultEmbeddedResourceItems>
   </PropertyGroup>
 
   <ItemGroup>