fix(app): remove context padding without content_container

src/app/mod.rs

@@ -610,7 +610,7 @@ impl<App: Application> ApplicationExt for App {
                                 ))
                             })
                             .apply(container)
-                            .padding([0, border_padding, 0, 0])
+                            .padding([0, if content_container { border_padding } else { 0 }, 0, 0])
                             .apply(Element::from)
                             .map(crate::Action::App),
                         );