Add: Repair ships in port and accept all missions in all ports

- Fix: Port exit
- Fix: Handle unable to accept more missions
- Opt: Adjust map init, map init should be called at first, and when zone changed

module/campaign/os_run.py

@@ -1,14 +1,22 @@
 from module.os.config import OSConfig
-from module.os.map import OSMap
 from module.os.map_operation import OSMapOperation
+from module.os.operation_siren import OperationSiren
 
 
 class OSCampaignRun(OSMapOperation):
-    campaign: OSMap
+    campaign: OperationSiren
+
+    campaign_loaded = False
 
     def load_campaign(self):
+        if self.campaign_loaded:
+            return False
+
         config = self.config.merge(OSConfig())
-        self.campaign = OSMap(config=config, device=self.device)
+        self.campaign = OperationSiren(config=config, device=self.device)
+
+        self.campaign_loaded = True
+        return True
 
     def run(self):
         self.load_campaign()