Fix a bunch of other low-hanging style lints (#36498)

- **Fix a bunch of low hanging style lints like unnecessary-return**
- **Fix single worktree violation**
- **And the rest**

Release Notes:

- N/A

crates/go_to_line/src/cursor_position.rs

@@ -129,7 +129,7 @@ impl CursorPosition {
                                                 cursor_position.selected_count.lines += 1;
                                             }
                                         }
-                                        if last_selection.as_ref().map_or(true, |last_selection| {
+                                        if last_selection.as_ref().is_none_or(|last_selection| {
                                             selection.id > last_selection.id
                                         }) {
                                             last_selection = Some(selection);