Properly close section storage managed files (#8364)

patches/server/0019-Asynchronous-chunk-IO-and-loading.patch

@@ -2767,7 +2767,7 @@ index dfa08dbf025ed702a864280a540e0169b9f33cbd..10fa6cec911950f72407ae7f45c8cf48
      private final String name;
      private final Comparator<T> comparator;
 diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
-index 79c6ab332f0cc7e48dc3d84d936c9e964db19611..ca7fe80e0af3502aad492519ad19dade70f8bbe0 100644
+index 4e7db441f68019d6e5d3359605b76bc4b258e87e..22c095539425a6667b8e7f5c5f0a8ff2e87adfb5 100644
 --- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
 +++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
 @@ -784,6 +784,13 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
@@ -3384,7 +3384,7 @@ index 8ba1c073387fa21a20bd42a873ec3cc314eae64e..6fa0bc18ab05b9fb05521f46c5dadb69
  
          while (objectiterator.hasNext()) {
 diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/SectionStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/SectionStorage.java
-index 8a4750dd8f604062c4ea452f7b97b05a0c8d583a..678bd36581ead3a225e3a6e24b78e5db4e42657b 100644
+index 8a4750dd8f604062c4ea452f7b97b05a0c8d583a..4dcfffe2e1c5263c3d1bd096d57d090c1e4b0523 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/storage/SectionStorage.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/storage/SectionStorage.java
 @@ -34,10 +34,10 @@ import net.minecraft.world.level.ChunkPos;
@@ -3476,12 +3476,13 @@ index 8a4750dd8f604062c4ea452f7b97b05a0c8d583a..678bd36581ead3a225e3a6e24b78e5db
      private static long getKey(ChunkPos chunkPos, int y) {
          return SectionPos.asLong(chunkPos.x, y, chunkPos.z);
      }
-@@ -233,6 +254,23 @@ public class SectionStorage<R> implements AutoCloseable {
+@@ -233,6 +254,24 @@ public class SectionStorage<R> implements AutoCloseable {
  
      @Override
      public void close() throws IOException {
 -        this.worker.close();
-+        //this.worker.close(); // Paper - nuke I/O worker
++        //this.worker.close(); // Paper - nuke I/O worker - don't call the worker
++        super.close(); // Paper - nuke I/O worker - call super.close method which is responsible for closing used files.
 +    }
 +
 +    // Paper start - get data function