loader: fix homebrew nro registration

src/core/loader/nro.cpp

@@ -275,12 +275,12 @@ AppLoader_NRO::LoadResult AppLoader_NRO::Load(Kernel::KProcess& process, Core::S
         return {ResultStatus::ErrorLoadingNRO, {}};
     }
 
-    if (romfs != nullptr) {
+    u64 program_id{};
+    ReadProgramId(program_id);
     system.GetFileSystemController().RegisterProcess(
-            process.GetProcessId(), {},
+        process.GetProcessId(), program_id,
         std::make_unique<FileSys::RomFSFactory>(*this, system.GetContentProvider(),
                                                 system.GetFileSystemController()));
-    }
 
     is_loaded = true;
     return {ResultStatus::Success, LoadParameters{Kernel::KThread::DefaultThreadPriority,