[Kernel] Store earned achievements in-memory to prevent achievements spam

This doesn't store them externally so after restarting they will unlock again

src/xenia/kernel/xam/xam_user.cc

@@ -728,6 +728,13 @@ dword_result_t XamUserCreateAchievementEnumerator_entry(
         db.GetAchievements();
 
     for (const util::XdbfAchievementTableEntry& entry : achievement_list) {
+      auto is_unlocked =
+          kernel_state()->achievement_manager()->IsAchievementUnlocked(
+              entry.id);
+      auto unlock_time =
+          kernel_state()->achievement_manager()->GetAchievementUnlockTime(
+              entry.id);
+
       auto item = XStaticAchievementEnumerator::AchievementDetails{
           entry.id,
           xe::to_utf16(db.GetStringTableEntry(language, entry.label_id)),
@@ -735,8 +742,9 @@ dword_result_t XamUserCreateAchievementEnumerator_entry(
           xe::to_utf16(db.GetStringTableEntry(language, entry.unachieved_id)),
           entry.image_id,
           entry.gamerscore,
-          {0, 0},
-          entry.flags};
+          (uint32_t)(unlock_time << 31),
+          (uint32_t)unlock_time,
+          is_unlocked ? entry.flags | 0x20000 : entry.flags};
 
       e->AppendItem(item);
     }