Fix clippy::needless_borrow lint violations (#36444)

Release Notes:

- N/A

crates/git_ui/src/project_diff.rs

@@ -1173,7 +1173,7 @@ impl RenderOnce for ProjectDiffEmptyState {
                             .child(Label::new("No Changes").color(Color::Muted))
                     } else {
                         this.when_some(self.current_branch.as_ref(), |this, branch| {
-                            this.child(has_branch_container(&branch))
+                            this.child(has_branch_container(branch))
                         })
                     }
                 }),
@@ -1332,14 +1332,14 @@ fn merge_anchor_ranges<'a>(
         loop {
             if let Some(left_range) = left
                 .peek()
-                .filter(|range| range.start.cmp(&next_range.end, &snapshot).is_le())
+                .filter(|range| range.start.cmp(&next_range.end, snapshot).is_le())
                 .cloned()
             {
                 left.next();
                 next_range.end = left_range.end;
             } else if let Some(right_range) = right
                 .peek()
-                .filter(|range| range.start.cmp(&next_range.end, &snapshot).is_le())
+                .filter(|range| range.start.cmp(&next_range.end, snapshot).is_le())
                 .cloned()
             {
                 right.next();