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/ui/src/components/context_menu.rs

@@ -585,7 +585,7 @@ impl ContextMenu {
         item: &ContextMenuItem,
         window: &mut Window,
         cx: &mut Context<Self>,
-    ) -> impl IntoElement {
+    ) -> impl IntoElement + use<> {
         match item {
             ContextMenuItem::Separator => ListSeparator.into_any_element(),
             ContextMenuItem::Header(header) => ListSubHeader::new(header.clone())

crates/ui/src/components/tooltip.rs

@@ -34,10 +34,10 @@ impl Tooltip {
         }
     }
 
-    pub fn for_action_title(
-        title: impl Into<SharedString>,
+    pub fn for_action_title<Title: Into<SharedString>>(
+        title: Title,
         action: &dyn Action,
-    ) -> impl Fn(&mut Window, &mut App) -> AnyView {
+    ) -> impl Fn(&mut Window, &mut App) -> AnyView + use<Title> {
         let title = title.into();
         let action = action.boxed_clone();
         move |window, cx| {
@@ -50,11 +50,11 @@ impl Tooltip {
         }
     }
 
-    pub fn for_action_title_in(
-        title: impl Into<SharedString>,
+    pub fn for_action_title_in<Str: Into<SharedString>>(
+        title: Str,
         action: &dyn Action,
         focus_handle: &FocusHandle,
-    ) -> impl Fn(&mut Window, &mut App) -> AnyView {
+    ) -> impl Fn(&mut Window, &mut App) -> AnyView + use<Str> {
         let title = title.into();
         let action = action.boxed_clone();
         let focus_handle = focus_handle.clone();
@@ -166,11 +166,11 @@ impl Render for Tooltip {
     }
 }
 
-pub fn tooltip_container<V>(
+pub fn tooltip_container<V, ContentsBuilder: FnOnce(Div, &mut Window, &mut Context<V>) -> Div>(
     window: &mut Window,
     cx: &mut Context<V>,
-    f: impl FnOnce(Div, &mut Window, &mut Context<V>) -> Div,
-) -> impl IntoElement {
+    f: ContentsBuilder,
+) -> impl IntoElement + use<V, ContentsBuilder> {
     let ui_font = ThemeSettings::get_global(cx).ui_font.clone();
 
     // padding to avoid tooltip appearing right below the mouse cursor