bugfixes, docs, and pass clippy

packages/tui/src/layout.rs

@@ -65,7 +65,7 @@ impl BubbledUpState for StretchLayout {
                 }
 
                 if let Some(n) = self.node {
-                    if &stretch.children(n).unwrap() != &child_layout {
+                    if stretch.children(n).unwrap() != child_layout {
                         stretch.set_children(n, &child_layout).unwrap();
                     }
                     if self.style != style {