Use CommandSourceStack in AsyncPlayerSendCommandsEvent (#10826)

patches/api/Brigadier-based-command-API.patch

@@ -109,6 +109,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +package com.destroystokyo.paper.event.brigadier;
 +
 +import com.mojang.brigadier.tree.RootCommandNode;
++import io.papermc.paper.command.brigadier.CommandSourceStack;
 +import org.bukkit.Bukkit;
 +import org.bukkit.entity.Player;
 +import org.bukkit.event.HandlerList;
@@ -137,7 +138,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 + * <p>This is a draft/experimental API and is subject to change.</p>
 + */
 +@ApiStatus.Experimental
-+public class AsyncPlayerSendCommandsEvent <S extends com.destroystokyo.paper.brigadier.BukkitBrigadierCommandSource> extends PlayerEvent {
++public class AsyncPlayerSendCommandsEvent<S extends CommandSourceStack> extends PlayerEvent {
 +
 +    private static final HandlerList handlers = new HandlerList();
 +    private final RootCommandNode<S> node;