Fix some folia incompatibilities

worldedit-bukkit/adapters/adapter-1_20/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_20_R1/PaperweightPlatformAdapter.java

@@ -64,7 +64,6 @@ import net.minecraft.world.level.chunk.SingleValuePalette;
 import net.minecraft.world.level.entity.PersistentEntitySectionManager;
 import org.apache.logging.log4j.Logger;
 import org.bukkit.craftbukkit.v1_20_R1.CraftChunk;
-import sun.misc.Unsafe;
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
@@ -335,9 +334,11 @@ public final class PaperweightPlatformAdapter extends NMSAdapter {
 
     private static void addTicket(ServerLevel serverLevel, int chunkX, int chunkZ) {
         // Ensure chunk is definitely loaded before applying a ticket
-        io.papermc.paper.util.MCUtil.MAIN_EXECUTOR.execute(() -> serverLevel
-                .getChunkSource()
-                .addRegionTicket(TicketType.UNLOAD_COOLDOWN, new ChunkPos(chunkX, chunkZ), 0, Unit.INSTANCE));
+        task(() -> serverLevel
+                        .getChunkSource()
+                        .addRegionTicket(TicketType.UNLOAD_COOLDOWN, new ChunkPos(chunkX, chunkZ), 0, Unit.INSTANCE),
+                serverLevel, chunkX, chunkZ
+        );
     }
 
     public static ChunkHolder getPlayerChunk(ServerLevel nmsWorld, final int chunkX, final int chunkZ) {

worldedit-bukkit/src/main/java/com/fastasyncworldedit/bukkit/util/FoliaTaskManager.java

@@ -76,10 +76,14 @@ public class FoliaTaskManager extends TaskManager {
 
     @Override
     public <T> T syncAt(final Supplier<T> supplier, final World world, final int chunkX, final int chunkZ) {
+        final org.bukkit.World adapt = BukkitAdapter.adapt(world);
+        if (Bukkit.isOwnedByCurrentRegion(adapt, chunkX, chunkZ)) {
+            return supplier.get();
+        }
         FutureTask<T> task = new FutureTask<>(supplier::get);
         Bukkit.getRegionScheduler().run(
                 WorldEditPlugin.getInstance(),
-                BukkitAdapter.adapt(world),
+                adapt,
                 chunkX,
                 chunkZ,
                 asConsumer(task)
@@ -97,10 +101,12 @@ public class FoliaTaskManager extends TaskManager {
 
     @Override
     public <T> T syncWith(final Supplier<T> supplier, final Player context) {
+        final org.bukkit.entity.Player adapt = BukkitAdapter.adapt(context);
+        if (Bukkit.isOwnedByCurrentRegion(adapt)) {
+            return supplier.get();
+        }
         FutureTask<T> task = new FutureTask<>(supplier::get);
-        BukkitAdapter.adapt(context)
-                .getScheduler()
-                .execute(WorldEditPlugin.getInstance(), task, null, 0);
+        adapt.getScheduler().execute(WorldEditPlugin.getInstance(), task, null, 0);
         try {
             return task.get();
         } catch (InterruptedException | ExecutionException e) {
@@ -110,6 +116,7 @@ public class FoliaTaskManager extends TaskManager {
 
     @Override
     public <T> T syncGlobal(final Supplier<T> supplier) {
+        // TODO avoid deadlocks (Bukkit.isGlobalTickThread not available at time of writing)
         FutureTask<T> task = new FutureTask<>(supplier::get);
         Bukkit.getGlobalRegionScheduler().run(WorldEditPlugin.getInstance(), asConsumer(task));
         try {

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/WorldEditPlugin.java

@@ -400,7 +400,6 @@ public class WorldEditPlugin extends JavaPlugin {
         if (config != null) {
             config.unload();
         }
-        this.getServer().getScheduler().cancelTasks(this);
     }
 
     /**

worldedit-core/src/main/java/com/sk89q/worldedit/extension/platform/PlatformCommandManager.java

@@ -687,8 +687,11 @@ public final class PlatformCommandManager {
         Command cmd = optional.get();
         PermissionCondition queued = cmd.getCondition().as(PermissionCondition.class).orElse(null);
         if (queued != null && !queued.isQueued()) {
-            // TODO?
-            // TaskManager.taskManager().taskNow(() -> handleCommandOnCurrentThread(event), Fawe.isMainThread());
+            if (actor instanceof Player player) {
+                TaskManager.taskManager().task(() -> handleCommandOnCurrentThread(event), player.getLocation());
+            } else {
+                // TODO
+            }
             return;
         } else {
             actor.decline();