feat(arabot): add close DM catch

src/listeners/verification/joinVC.ts

@@ -766,6 +766,10 @@ class VerificationJoinVCListener extends Listener {
 
     // Activist role
     if (roles.activist) {
+      const activist = this.container.client.channels.cache.get(IDs.channels.activism.activism) as TextChannel | undefined;
+      if (activist === undefined) {
+        return;
+      }
       const activistMsg = `${user} you have been given the activist role! This means that if you'd wish to engage with non-vegans in `
         + `<#${IDs.channels.nonVegan.general}>, you should follow these rules:\n\n`
         + '1. Try to move conversations with non-vegans towards veganism/animal ethics\n'
@@ -773,7 +777,8 @@ class VerificationJoinVCListener extends Listener {
         + '3. Have evidence for claims you make. "I don\'t know" is an acceptable answer. Chances are someone here knows or you can take time to find out\n'
         + '4. Don\'t advocate for baby steps towards veganism. Participation in exploitation can stop today\n'
         + '5. Differences in opinion between activists should be resolved in vegan spaces, not in the chat with non-vegans';
-      await user.send(activistMsg);
+      await user.send(activistMsg)
+        .catch(() => { activist.send(activistMsg); });
     }
   }