Add old post type and possibility to change BG color

src/views/contents/contentcards/NContentCard.vue

@@ -18,7 +18,7 @@
             </span>
           </div>
 
-          <v-menu>
+          <v-menu v-if="creatorIsCurrentUser">
             <template v-slot:activator="{ props }">
               <v-btn variant="plain" v-bind="props">
                 <v-icon>mdi-dots-vertical</v-icon>
@@ -151,7 +151,7 @@
 </template>
 
 <script setup>
-import {computed, onBeforeMount, onMounted, onUnmounted, ref} from 'vue';
+import {computed, onBeforeMount, ref} from 'vue';
 import {time_ago} from "@/internal_time_ago.js";
 import MessageList from "@/views/messages/MessageList.vue";
 import PostMessage from "@/views/messages/PostMessage.vue";