Enable clippy::clone_on_copy (#8728)

This PR enables the
[`clippy::clone_on_copy`](https://rust-lang.github.io/rust-clippy/master/index.html#/clone_on_copy)
rule and fixes the outstanding violations.

Release Notes:

- N/A

crates/vim/src/normal/repeat.rs

@@ -294,7 +294,7 @@ mod test {
                     lsp::CompletionItem {
                         label: "first".to_string(),
                         text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
-                            range: lsp::Range::new(position.clone(), position.clone()),
+                            range: lsp::Range::new(position, position),
                             new_text: "first".to_string(),
                         })),
                         ..Default::default()
@@ -302,7 +302,7 @@ mod test {
                     lsp::CompletionItem {
                         label: "second".to_string(),
                         text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
-                            range: lsp::Range::new(position.clone(), position.clone()),
+                            range: lsp::Range::new(position, position),
                             new_text: "second".to_string(),
                         })),
                         ..Default::default()

crates/vim/src/test/vim_test_context.rs

@@ -90,7 +90,7 @@ impl VimTestContext {
         T: 'static,
         F: FnOnce(&mut T, &mut ViewContext<T>) -> R + 'static,
     {
-        let window = self.window.clone();
+        let window = self.window;
         self.update_window(window, move |_, cx| view.update(cx, update))
             .unwrap()
     }

crates/vim/src/visual.rs

@@ -222,7 +222,7 @@ pub fn visual_block_motion(
                     start: start.to_point(map),
                     end: end.to_point(map),
                     reversed: is_reversed,
-                    goal: goal.clone(),
+                    goal,
                 };
 
                 selections.push(selection);