Handle join auto complete error and update formatting

discordBot/commands/join.mjs

@@ -32,9 +32,14 @@ export async function autocomplete(nodeIo, interaction) {
 
   log.DEBUG(focusedValue, choices, filtered);
 
-  await interaction.respond(
-    filtered.map(choice => ({ name: choice.name, value: choice.name }))
-  );
+  try {
+    await interaction.respond(
+      filtered.map(choice => ({ name: choice.name, value: choice.name }))
+    );
+  }
+  catch (e) {
+    log.WARN("Autocomplete interaction failure", e);
+  }
 }
 
 /**
@@ -71,7 +76,7 @@ export async function execute(nodeIo, interaction) {
     // If there is one available node, request that node join
     if (availableNodes.length === 1) {
       await joinNode(nodeIo, interaction, availableNodes[0].id, system, channelToJoin);
-    } 
+    }
 
     // If there are more than one available, prompt the user for their selected node
     else {
@@ -79,8 +84,8 @@ export async function execute(nodeIo, interaction) {
         await joinNode(nodeIo, interaction, selectedNode, system, channelToJoin);
       });
     }
-  } 
-  
+  }
+
   catch (err) {
     log.ERROR(err);
     await interaction.editReply({ content: `An error occurred: ${err.message}`, ephemeral: true });