Add support for git branches on remote projects (#19755)

Release Notes:

- Fixed a bug where the branch switcher could not be used remotely.

crates/settings/src/settings_store.rs

@@ -61,6 +61,7 @@ pub trait Settings: 'static + Send + Sync {
         anyhow::anyhow!("missing default")
     }
 
+    #[track_caller]
     fn register(cx: &mut AppContext)
     where
         Self: Sized,
@@ -271,6 +272,7 @@ impl SettingsStore {
     pub fn register_setting<T: Settings>(&mut self, cx: &mut AppContext) {
         let setting_type_id = TypeId::of::<T>();
         let entry = self.setting_values.entry(setting_type_id);
+
         if matches!(entry, hash_map::Entry::Occupied(_)) {
             return;
         }