Simplify the logic for content with and without comments

src/views/messages/MessageList.vue

@@ -30,7 +30,6 @@ import { ref, onBeforeMount } from 'vue';
 import { useClient } from '@/plugins/api.js';
 import Message from "@/views/messages/Message.vue";
 
-const emit = defineEmits(['messages-found']);
 const props = defineProps({
   subjectId: {
     type: String,
@@ -71,10 +70,6 @@ async function load({ done, page_size = 10 }) {
         messages.value.push(...response.data.messages);
         const [last_content] = response.data.messages.slice(-1);
         last_id = last_content.id;
-    
-        if (messageCount > 0) {
-          emit('messages-found', true);
-        }
       }
 
       if (messageCount < page_size) {