[UtBS] In S6b, add a scroll to detonation event

When Jorgin dies, make the map scroll to the detonation event that occurs right after so that the player will clearly know what happened.

data/campaigns/Under_the_Burning_Suns/scenarios/06b_In_the_Domain_of_Dwarves.cfg

@@ -1240,6 +1240,23 @@
             message= _ "I couldn’t do it. Blow the backup charges! If we can’t stop them then maybe the black lake will."
         [/message]
 
+        {SCROLL_TO 12 20}
+
+        [remove_shroud]
+            side=1
+            x=11-15
+            y=19-23
+        [/remove_shroud]
+
+        [delay]
+            time=1200
+        [/delay]
+
+        [place_shroud]
+            side=1
+            x,y=11,19
+        [/place_shroud]
+
         {BACKUP_CHARGES}
 
         [remove_event]