[WIP|1.16] Misc fixes (#3627)

Spigot-Server-Patches/incremental-chunk-saving.patch

@@ -70,9 +70,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
      public java.util.Queue<Runnable> processQueue = new java.util.concurrent.ConcurrentLinkedQueue<Runnable>();
      public int autosavePeriod;
 +    public boolean serverAutoSave = false; // Paper
-     public File bukkitDataPackFolder;
      public CommandDispatcher vanillaCommandDispatcher;
      private boolean forceTicks;
+     // CraftBukkit end
 @@ -0,0 +0,0 @@ public abstract class MinecraftServer extends IAsyncTaskHandlerReentrant<TickTas
              this.serverPing.b().a(agameprofile);
          }