Fix draft saving and add tests

src/components/post_status_form/post_status_form.js

@@ -376,6 +376,14 @@ const PostStatusForm = {
         this.newStatus.hasPoll
       ) && this.saveable
     },
+    hasEmptyDraft () {
+      return this.newStatus.id && !(
+        this.newStatus.status ||
+          this.newStatus.spoilerText ||
+          this.newStatus.files?.length ||
+          this.newStatus.hasPoll
+      )
+    },
     ...mapGetters(['mergedConfig']),
     ...mapState(useInterfaceStore, {
       mobileLayout: store => store.mobileLayout
@@ -784,7 +792,7 @@ const PostStatusForm = {
                 this.$emit('draft-done')
               }
             })
-        } else if (this.newStatus.id) {
+        } else if (this.hasEmptyDraft) {
           // There is a draft, but there is nothing in it, clear it
           return this.abandonDraft()
             .then(() => {

src/components/post_status_form/post_status_form.vue

@@ -322,6 +322,7 @@
             trigger="click"
             placement="bottom"
             :offset="{ y: 5 }"
+            :trigger-attrs="{ 'aria-label': $t('post_status.more_post_actions') }"
           >
             <template #trigger>
               <FAIcon