revert changes to render modal into portal

src/App.vue

@@ -120,10 +120,7 @@
     <MobilePostStatusButton />
     <UserReportingModal />
     <PostStatusModal />
-    <portal-target
-      name="modal"
-      multiple
-    />
+    <portal-target name="modal" />
   </div>
 </template>
 

src/components/modal/modal.vue

 <template>
-  <portal to="modal">
-    <div
-      v-show="isOpen"
-      v-body-scroll-lock="isOpen"
-      :class="['modal-view', viewClass]"
-      @click.self="closeModal"
-    >
-      <slot />
-    </div>
-  </portal>
+  <div
+    v-show="isOpen"
+    v-body-scroll-lock="isOpen"
+    :class="['modal-view', viewClass]"
+    @click.self="closeModal"
+  >
+    <slot />
+  </div>
 </template>
 
 <script src="./modal.js"></script>