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/settings_profile_selector/src/settings_profile_selector.rs

@@ -126,7 +126,7 @@ impl SettingsProfileSelectorDelegate {
     ) -> Option<String> {
         let mat = self.matches.get(self.selected_index)?;
         let profile_name = self.profile_names.get(mat.candidate_id)?;
-        return Self::update_active_profile_name_global(profile_name.clone(), cx);
+        Self::update_active_profile_name_global(profile_name.clone(), cx)
     }
 
     fn update_active_profile_name_global(