Fix: [TW] Map detection backend in Daedalian Hymn event

Codes are from old files, so use the old detection method.
Turn on MAP_HAS_WALL in B2B3D2D3

campaign/event_20210624_tw/a1.py

@@ -64,6 +64,7 @@ class Config:
         'distance': 50,
         'wlen': 1000
     }
+    DETECTION_BACKEND = 'perspective'
 
 
 class Campaign(CampaignBase):

campaign/event_20210624_tw/b1.py

@@ -74,6 +74,7 @@ class Config:
         'distance': 50,
         'wlen': 1000
     }
+    DETECTION_BACKEND = 'perspective'
 
 
 class Campaign(CampaignBase):

campaign/event_20210624_tw/b2.py

@@ -70,6 +70,8 @@ class Config(ConfigBase):
     MAP_HAS_AMBUSH = False
     # ===== End of generated config =====
 
+    MAP_HAS_WALL = True
+
 
 class Campaign(CampaignBase):
     MAP = MAP

campaign/event_20210624_tw/b3.py

@@ -85,6 +85,8 @@ class Config(ConfigBase):
     MAP_HAS_AMBUSH = False
     # ===== End of generated config =====
 
+    MAP_HAS_WALL = True
+
 
 class Campaign(CampaignBase):
     MAP = MAP

campaign/event_20210624_tw/c1.py

@@ -64,6 +64,7 @@ class Config:
         'distance': 50,
         'wlen': 1000
     }
+    DETECTION_BACKEND = 'perspective'
 
 
 class Campaign(CampaignBase):

campaign/event_20210624_tw/d1.py

@@ -74,6 +74,7 @@ class Config:
         'distance': 50,
         'wlen': 1000
     }
+    DETECTION_BACKEND = 'perspective'
 
 
 class Campaign(CampaignBase):

campaign/event_20210624_tw/d2.py

@@ -71,6 +71,8 @@ class Config(ConfigBase):
     MAP_HAS_AMBUSH = False
     # ===== End of generated config =====
 
+    MAP_HAS_WALL = True
+
 
 class Campaign(CampaignBase):
     MAP = MAP

campaign/event_20210624_tw/d3.py

@@ -86,6 +86,8 @@ class Config(ConfigBase):
     MAP_HAS_AMBUSH = False
     # ===== End of generated config =====
 
+    MAP_HAS_WALL = True
+
 
 class Campaign(CampaignBase):
     MAP = MAP