Add: Semi-auto for operation siren

- Fix: Clicking on HOME button when skipping story
- TODO: [EN][JP] Replace assets in os_combat and os_handler

module/os_handler/enemy_searching.py

@@ -0,0 +1,7 @@
+from module.handler.enemy_searching import EnemySearchingHandler as EnemySearchingHandler_
+from module.os_handler.assets import *
+
+
+class EnemySearchingHandler(EnemySearchingHandler_):
+    def is_in_map(self):
+        return self.appear(IN_MAP)