libstrat: convert to experimental new (super-accurate) sf allocation semantics

libraries/libstratosphere/include/stratosphere/pgl/srv/pgl_srv_shell_interface.hpp

@@ -46,7 +46,7 @@ namespace ams::pgl::srv {
             Result EnableApplicationAllThreadDumpOnCrash(bool enabled);
             Result TriggerApplicationSnapShotDumper(SnapShotDumpType dump_type, const ams::sf::InBuffer &arg);
 
-            Result GetShellEventObserver(ams::sf::Out<std::shared_ptr<pgl::sf::IEventObserver>> out);
+            Result GetShellEventObserver(ams::sf::Out<ams::sf::SharedPointer<pgl::sf::IEventObserver>> out);
             Result Command21NotImplemented(ams::sf::Out<u64> out, u32 in, const ams::sf::InBuffer &buf1, const ams::sf::InBuffer &buf2);
     };
     static_assert(pgl::sf::IsIShellInterface<ShellInterface>);