chore: Prepare for Rust edition bump to 2024 (without autofix) (#27791)

Successor to #27779 - in this PR I've applied changes manually, without
futzing with if let lifetimes at all.

Release Notes:

- N/A

crates/component_preview/src/component_preview.rs

@@ -244,7 +244,7 @@ impl ComponentPreview {
         ix: usize,
         entry: &PreviewEntry,
         cx: &Context<Self>,
-    ) -> impl IntoElement {
+    ) -> impl IntoElement + use<> {
         match entry {
             PreviewEntry::Component(component_metadata) => {
                 let id = component_metadata.id();