fix send false for ack

src/lib/interactionDispatcher.js

@@ -44,9 +44,9 @@ async function runCommand(interaction, command) {
 }
 
 async function InteractionDispatcher(interaction) {
-  interaction.acknowledge();
   const command = hf.interactionCommands.get(interaction.data.name);
   const shouldSend = getOption(interaction, command, "send");
+  interaction.acknowledge(shouldSend ? null : MessageFlags.EPHEMERAL);
 
   try {
     const response = await runCommand(interaction, command);