fix returning to field

cards affected by EFFECT_FORBIDDEN should be sent to grave instead when
returning to field

operations.cpp

@@ -3806,7 +3806,7 @@ int32 field::move_to_field(uint16 step, card * target, uint32 enable, uint32 ret
 			uint32 flag;
 			uint32 lreason = (target->current.location == LOCATION_MZONE) ? LOCATION_REASON_CONTROL : LOCATION_REASON_TOFIELD;
 			uint32 ct = get_useable_count(playerid, location, move_player, lreason, &flag);
-			if((ret == 1) && (ct <= 0)) {
+			if((ret == 1) && (ct <= 0 || target->is_affected_by_effect(EFFECT_FORBIDDEN))) {
 				core.units.begin()->step = 3;
 				send_to(target, core.reason_effect, REASON_EFFECT, core.reason_player, PLAYER_NONE, LOCATION_GRAVE, 0, 0);
 				return FALSE;