Fix dungeon spawn + ftl overlap (#31413)

* Fix dungeon spawn + ftl overlap

* Better fixes

Content.Server/Procedural/DungeonSystem.cs

@@ -183,11 +183,16 @@ public sealed partial class DungeonSystem : SharedDungeonSystem
         return mapId;
     }
 
+    /// <summary>
+    /// Generates a dungeon in the background with the specified config.
+    /// </summary>
+    /// <param name="coordinates">Coordinates to move the dungeon to afterwards. Will delete the original map</param>
     public void GenerateDungeon(DungeonConfig gen,
         EntityUid gridUid,
         MapGridComponent grid,
         Vector2i position,
-        int seed)
+        int seed,
+        EntityCoordinates? coordinates = null)
     {
         var cancelToken = new CancellationTokenSource();
         var job = new DungeonJob.DungeonJob(
@@ -207,6 +212,7 @@ public sealed partial class DungeonSystem : SharedDungeonSystem
             gridUid,
             seed,
             position,
+            coordinates,
             cancelToken.Token);
 
         _dungeonJobs.Add(job, cancelToken);
@@ -238,6 +244,7 @@ public sealed partial class DungeonSystem : SharedDungeonSystem
             gridUid,
             seed,
             position,
+            null,
             cancelToken.Token);
 
         _dungeonJobs.Add(job, cancelToken);