Retain request dependencies only when discovery supplies the answer

core/src/ui/render_state.rs

@@ -429,7 +429,7 @@ impl UiRenderState {
         // rel base is the answer wherever the ask declared a length: it was
         // resolved into the rel base when the widget was asked, and resolving
         // it again here would take the fraction of a fraction.
-        let rules = rsc.widgets().size_rules(id);
+        let rules = rsc.widgets().size_rules(id).clone();
         let ruled = |axis: Axis, reported: LayoutLen| {
             if matches!(rules[axis], crate::SizeRule::Request(_)) {
                 return info.rel_base[axis].into();