fix: suppress errors when fetching sticky

We don't need to care if the sticky message got deleted some other
way. As such, failing to fetch the message should not bubble up
and block the process. So we can swallow those errors and
proceed with the rest of the logic.

src/modules/sendStickyMessage.ts

@@ -11,10 +11,12 @@ import { errorHandler } from "../utils/errorHandler";
 export const sendStickyMessage = async (bot: ExtendedClient) => {
   try {
     const lastMessage = (
-      await bot.cache.generalChannel.messages.fetch({
-        limit: 1,
-      })
-    ).first();
+      await bot.cache.generalChannel.messages
+        .fetch({
+          limit: 1,
+        })
+        .catch(() => null)
+    )?.first();
     if (!lastMessage) {
       return;
     }
@@ -24,9 +26,9 @@ export const sendStickyMessage = async (bot: ExtendedClient) => {
     }
 
     if (bot.cache.lastSticky) {
-      const lastSticky = await bot.cache.generalChannel.messages.fetch(
-        bot.cache.lastSticky
-      );
+      const lastSticky = await bot.cache.generalChannel.messages
+        .fetch(bot.cache.lastSticky)
+        .catch(() => null);
       if (lastSticky) {
         await lastSticky.delete();
       }