Hackily solve issue where Bukkit doesn't create a new Brigadier command per alias, so that command aliases get the full Brigadier treatment

cloud-minecraft/cloud-paper/src/main/java/com/intellectualsites/commands/paper/PaperCommandManager.java

@@ -72,6 +72,7 @@ public class PaperCommandManager<C>
             final PaperBrigadierListener<C> brigadierListener = new PaperBrigadierListener<>(this);
             Bukkit.getPluginManager().registerEvents(brigadierListener,
                                                      this.getOwningPlugin());
+            this.setSplitAliases(true);
             return brigadierListener;
         } catch (final Throwable e) {
             this.getOwningPlugin().getLogger().severe("Failed to register Brigadier listener");