lock body scroll when post status modal is open

src/components/post_status_modal/post_status_modal.vue

@@ -2,6 +2,7 @@
   <div
     v-if="isLoggedIn && !resettingForm"
     v-show="modalActivated"
+    v-body-scroll-lock="modalActivated"
     class="post-form-modal-view modal-view"
     @click="closeModal"
   >
@@ -28,6 +29,10 @@
 
 .post-form-modal-view {
   align-items: flex-start;
+
+  body:not(.scroll-locked) & {
+    display: none;
+  }
 }
 
 .post-form-modal-panel {