TSG S8a: add redraw calls

Recalling units may increase the vision area when playing with shroud/fog.

[ci skip]

(cherry-picked from commit 5f7b1853dd61154183ad4042bd4c41510943f4d9)

data/campaigns/The_South_Guard/scenarios/08a_Return_to_Kerlath.cfg

@@ -69,12 +69,7 @@
 #ifdef EASY
         fog=yes
         shroud=no
-#endif
-#ifdef NORMAL
-        fog=yes
-        shroud=yes
-#endif
-#ifdef HARD
+#else
         fog=yes
         shroud=yes
 #endif
@@ -143,9 +138,6 @@
         controller=ai
         {CUSTOM_SG_FLAG}
 
-        {GOLD 125 100 80}
-        {INCOME 4 2 0}
-
         fog=no
         shroud=no
         recruit=
@@ -165,10 +157,12 @@
         [recall]
             id=Ethiliel
         [/recall]
+        [redraw][/redraw]
 
         [recall]
             id=Minister Hylas
         [/recall]
+        [redraw][/redraw]
 
         [message]
             side=2