Add: MISSION_POPUP_* assets and handling

TODO: [CN, TW, JP] may need to replace unless POP_UP_* assets are sufficient
EN may be the only server that has altered pop up for these missions

module/reward/reward.py

@@ -184,6 +184,12 @@ class Reward(RewardCommission, RewardTacticalClass, RewardResearch, RewardDorm,
                     timeout.reset()
                     continue
 
+            if self.handle_mission_popup_ack():
+                click_timer.reset()
+                exit_timer.reset()
+                timeout.reset()
+                continue
+
             if self.story_skip():
                 click_timer.reset()
                 exit_timer.reset()