Fix: Daily hard has no campaign_extract_name_image

- Fix event switching with campaign ball
- Add MAP_IS_ONE_TIME_STAGE
- Opt description of event_stage in GUI
- Add info when map file not found

module/config/config.py

@@ -257,6 +257,7 @@ class AzurLaneConfig:
     MAP_HAS_MAP_STORY = False  # event_20200521_cn(穹顶下的圣咏曲) adds after-combat story.
     MAP_HAS_WALL = False  # event_20200521_cn(穹顶下的圣咏曲) adds wall between grids.
     MAP_HAS_PT_BONUS = False  # 100% PT bonus if success to catch enemy else 50%. Retreat get 0%.
+    MAP_IS_ONE_TIME_STAGE = False
     MAP_ENEMY_TEMPLATE = ['Light', 'Main', 'Carrier', 'Treasure']
     MAP_SIREN_TEMPLATE = ['DD', 'CL', 'CA', 'BB', 'CV']
     MAP_SIREN_MOVE_WAIT = 1.5  # The enemy moving takes about 1.2 ~ 1.5s.