Fix every wrongly converted block-move node in ASR

(by copying from the scen_update branch where the conversion
was fixed and reapplied)

Note that I also did this for the other scenarios
but none of them had remaining broken block-move nodes

rsrc/scenarios/stealth/towns/town1.spec

@@ -219,7 +219,7 @@
 	sdf -1, -1
 	msg -1, -1, -1
 	pic 0, 4
-	ex1 0, -1, -1
+	ex1 1, -1, -1
 	ex2 0, -1, -1
 	goto -1
 @once-dlog = 32

rsrc/scenarios/stealth/towns/town15.spec

@@ -79,7 +79,7 @@
 	sdf -1, -1
 	msg 9, -1, -1
 	pic 0, 4
-	ex1 0, -1, -1
+	ex1 1, -1, -1
 	ex2 0, -1, -1
 	goto -1
 @once-dlog = 12

rsrc/scenarios/stealth/towns/town17.spec

@@ -170,7 +170,7 @@
 	sdf -1, -1
 	msg 30, 31, -1
 	pic 0, 4
-	ex1 0, -1, -1
+	ex1 1, -1, -1
 	ex2 0, -1, -1
 	goto -1
 @once-disp-msg = 25
@@ -212,7 +212,7 @@
 	sdf -1, -1
 	msg 35, 36, -1
 	pic 0, 4
-	ex1 0, -1, -1
+	ex1 1, -1, -1
 	ex2 0, -1, -1
 	goto -1
 @once-set-sdf = 31

rsrc/scenarios/stealth/towns/town18.spec

@@ -9,7 +9,7 @@
 	sdf -1, -1
 	msg 6, -1, -1
 	pic 0, 4
-	ex1 0, -1, -1
+	ex1 1, -1, -1
 	ex2 0, -1, -1
 	goto -1
 @disp-msg = 2

rsrc/scenarios/stealth/towns/town19.spec

@@ -37,7 +37,7 @@
 	sdf -1, -1
 	msg 10, -1, -1
 	pic 0, 4
-	ex1 0, -1, -1
+	ex1 1, -1, -1
 	ex2 0, -1, -1
 	goto -1
 @once-dlog = 6

rsrc/scenarios/stealth/towns/town6.spec

@@ -86,7 +86,7 @@
 	sdf -1, -1
 	msg 19, -1, -1
 	pic 0, 4
-	ex1 0, -1, -1
+	ex1 1, -1, -1
 	ex2 0, -1, -1
 	goto -1
 @disp-msg = 13

rsrc/scenarios/stealth/towns/town8.spec

@@ -177,7 +177,7 @@
 	sdf -1, -1
 	msg 66, -1, -1
 	pic 0, 4
-	ex1 0, -1, -1
+	ex1 1, -1, -1
 	ex2 0, -1, -1
 	goto -1
 @disp-msg = 26