fix: Fixes infinite loop in BinaryFileWriter (#1792)

### Summary
- Fixes infinite loop with binary file writer
- Removes extra buffer copying with binary file writer
- Removes storing type counts during world save file writing
- Fixes display cache self-deletion warning during world load

Projects/Server/Serialization/BinaryFileWriter.cs

@@ -47,6 +47,32 @@ public class BinaryFileWriter : BufferWriter, IDisposable
             _file.Write(Buffer, 0, (int)Index);
             Index = 0;
         }
+        else
+        {
+            base.Flush(); // Increase buffer size
+        }
+    }
+
+    public override void Write(byte[] bytes) => Write(bytes, 0, bytes.Length);
+
+    public override void Write(byte[] bytes, int offset, int count)
+    {
+        if (Index > 0)
+        {
+            Flush();
+        }
+
+        _file.Write(bytes, offset, count);
+    }
+
+    public override void Write(ReadOnlySpan<byte> bytes)
+    {
+        if (Index > 0)
+        {
+            Flush();
+        }
+
+        _file.Write(bytes);
     }
 
     public override void Close()
@@ -61,7 +87,10 @@ public class BinaryFileWriter : BufferWriter, IDisposable
 
     public override long Seek(long offset, SeekOrigin origin)
     {
-        Flush();
+        if (Index > 0)
+        {
+            Flush();
+        }
 
         return _position = _file.Seek(offset, origin);
     }