#816: Prevent duplicate slash removal for console / block commands

By: md_5 <git@md-5.net>

paper-server/src/main/java/org/bukkit/craftbukkit/command/VanillaCommandWrapper.java

@@ -42,7 +42,7 @@ public final class VanillaCommandWrapper extends BukkitCommand {
         if (!testPermission(sender)) return true;
 
         CommandListenerWrapper icommandlistener = getListener(sender);
-        dispatcher.a(icommandlistener, toDispatcher(args, getName()), toDispatcher(args, commandLabel));
+        dispatcher.a(icommandlistener, toDispatcher(args, getName()), toDispatcher(args, commandLabel), true);
         return true;
     }