Remove some redundant entity clones (#36274)

`cx.entity()` already returns an owned entity, so there is no need for
these clones.

Release Notes:

- N/A

crates/vim/src/mode_indicator.rs

@@ -20,7 +20,7 @@ impl ModeIndicator {
         })
         .detach();
 
-        let handle = cx.entity().clone();
+        let handle = cx.entity();
         let window_handle = window.window_handle();
         cx.observe_new::<Vim>(move |_, window, cx| {
             let Some(window) = window else {
@@ -29,7 +29,7 @@ impl ModeIndicator {
             if window.window_handle() != window_handle {
                 return;
             }
-            let vim = cx.entity().clone();
+            let vim = cx.entity();
             handle.update(cx, |_, cx| {
                 cx.subscribe(&vim, |mode_indicator, vim, event, cx| match event {
                     VimEvent::Focused => {

crates/vim/src/normal/search.rs

@@ -332,7 +332,7 @@ impl Vim {
         Vim::take_forced_motion(cx);
         let prior_selections = self.editor_selections(window, cx);
         let cursor_word = self.editor_cursor_word(window, cx);
-        let vim = cx.entity().clone();
+        let vim = cx.entity();
 
         let searched = pane.update(cx, |pane, cx| {
             self.search.direction = direction;

crates/vim/src/vim.rs

@@ -402,7 +402,7 @@ impl Vim {
     const NAMESPACE: &'static str = "vim";
 
     pub fn new(window: &mut Window, cx: &mut Context<Editor>) -> Entity<Self> {
-        let editor = cx.entity().clone();
+        let editor = cx.entity();
 
         let mut initial_mode = VimSettings::get_global(cx).default_mode;
         if initial_mode == Mode::Normal && HelixModeSetting::get_global(cx).0 {