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/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;