service: am: Fix GetMainAppletAvailableUsers for user creation

src/core/hle/service/acc/profile_manager.cpp

@@ -329,9 +329,8 @@ bool ProfileManager::GetProfileBaseAndData(const ProfileInfo& user, ProfileBase&
 
 /// Returns if the system is allowing user registrations or not
 bool ProfileManager::CanSystemRegisterUser() const {
-    return false; // TODO(ogniK): Games shouldn't have
-                  // access to user registration, when we
-    // emulate qlaunch. Update this to dynamically change.
+    // TODO: Both games and applets can register users. Determine when this condition is not meet.
+    return true;
 }
 
 bool ProfileManager::RemoveUser(UUID uuid) {

src/core/hle/service/am/service/library_applet_self_accessor.cpp

@@ -284,17 +284,17 @@ Result ILibraryAppletSelfAccessor::GetCurrentApplicationId(Out<u64> out_applicat
 }
 
 Result ILibraryAppletSelfAccessor::GetMainAppletAvailableUsers(
-    Out<bool> out_no_users_available, Out<s32> out_users_count,
+    Out<bool> out_can_select_any_user, Out<s32> out_users_count,
     OutArray<Common::UUID, BufferAttr_HipcMapAlias> out_users) {
     const Service::Account::ProfileManager manager{};
 
-    *out_no_users_available = true;
+    *out_can_select_any_user = false;
     *out_users_count = -1;
 
     LOG_INFO(Service_AM, "called");
 
     if (manager.GetUserCount() > 0) {
-        *out_no_users_available = false;
+        *out_can_select_any_user = true;
         *out_users_count = static_cast<s32>(manager.GetUserCount());
 
         const auto users = manager.GetAllUsers();

src/core/hle/service/am/service/library_applet_self_accessor.h

@@ -71,7 +71,7 @@ private:
         ErrorCode error_code, InLargeData<ErrorContext, BufferAttr_HipcMapAlias> error_context);
     Result GetMainAppletApplicationDesiredLanguage(Out<u64> out_desired_language);
     Result GetCurrentApplicationId(Out<u64> out_application_id);
-    Result GetMainAppletAvailableUsers(Out<bool> out_no_users_available, Out<s32> out_users_count,
+    Result GetMainAppletAvailableUsers(Out<bool> out_can_select_any_user, Out<s32> out_users_count,
                                        OutArray<Common::UUID, BufferAttr_HipcMapAlias> out_users);
     Result ShouldSetGpuTimeSliceManually(Out<bool> out_should_set_gpu_time_slice_manually);
     Result Cmd160(Out<u64> out_unknown0);