actionbar: add thread button for testing

Signed-off-by: William Casarin <jb55@jb55.com>

src/ui/note/post.rs

@@ -76,6 +76,7 @@ impl<'app, 'd> PostView<'app, 'd> {
         }
 
         let buffer = &mut self.draft_source.draft(&mut self.app.drafts).buffer;
+
         let response = ui.add_sized(
             ui.available_size(),
             TextEdit::multiline(buffer)