Bind Apple platform services explicitly

PanoPainter/GameViewController.m

@@ -10,6 +10,7 @@
 #import "GameViewController.h"
 #import <OpenGLES/ES3/glext.h>
 #include "app.h"
+#include "platform_legacy/legacy_platform_services.h"
 #include "platform_apple/apple_platform_services.h"
 #include "settings.h"
 #import "objc_utils.h"
@@ -17,6 +18,7 @@
 
 std::mutex render_mutex;
 std::condition_variable render_cv;
+static std::unique_ptr<pp::platform::PlatformServices> g_platform_services;
 
 @interface GameImagePicker : UIImagePickerController
 {
@@ -580,6 +582,12 @@ bool is_tap = true;
     pp::platform::apple::set_legacy_apple_state(
         self,
         (AppDelegate*)[[UIApplication sharedApplication] delegate]);
+    g_platform_services = pp::platform::legacy::create_platform_services({
+        .apple_document_services = []() -> pp::platform::apple::AppleDocumentPlatformServices& {
+            return pp::platform::apple::active_legacy_apple_document_platform_services();
+        },
+    });
+    App::I->set_platform_services(g_platform_services.get());
     App::I->initLog();
     
     //self.preferredFramesPerSecond = 60;