Update post-form.tag

src/web/app/mobile/tags/post-form.tag

@@ -268,7 +268,7 @@
 			this.api('posts/create', {
 				text: this.refs.text.value,
 				media_ids: files,
-				reply_to_id: this.inReplyToPost ? this.inReplyToPost.id : undefined,
+				reply_to_id: opts.reply ? opts.reply.id : undefined,
 				poll: this.poll ? this.refs.poll.get() : undefined
 			}).then(data => {
 				this.trigger('post');