Adjust dungeon bounds some more (#16929)

Content.IntegrationTests/Tests/Procedural/DungeonTests.cs

@@ -87,6 +87,8 @@ public sealed class DungeonTests
                     var rotated = new Vector2i(pack.Size.Y, pack.Size.X);
 
                     Assert.That(sizes.Contains(pack.Size) || sizes.Contains(rotated), $"Didn't find any dungeon room prototypes for {pack.Size} for {preset.ID} index {i}");
+
+                    Assert.That(pack.Bottom, Is.GreaterThanOrEqualTo(0), "All dungeon room packs need their y-axis to be above 0!");
                 }
             }
         });

Resources/Prototypes/Procedural/dungeon_presets.yml

@@ -28,10 +28,10 @@
 - type: dungeonPreset
   id: FourSquare
   roomPacks:
-    - -38,0,-21,17
-    - -8,18,9,35
-    - 22,0,39,17
-    - -8,-18,9,-1
-    - -2,0,3,17
-    - -20,6,-3,11
-    - 4,6,21,11
+    - -38,18,-21,35
+    - -8,36,9,53
+    - 22,18,39,35
+    - -8,0,9,17
+    - -2,18,3,35
+    - -20,24,-3,29
+    - 4,24,21,29