Start on Presence as the backing model for the people panel

zed/src/test.rs

@@ -4,6 +4,7 @@ use crate::{
     fs::RealFs,
     http::{HttpClient, Request, Response, ServerResponse},
     language::LanguageRegistry,
+    presence::Presence,
     rpc::{self, Client, Credentials, EstablishConnectionError},
     settings::{self, ThemeRegistry},
     time::ReplicaId,
@@ -175,6 +176,7 @@ pub fn test_app_state(cx: &mut MutableAppContext) -> Arc<AppState> {
         themes,
         languages: languages.clone(),
         channel_list: cx.add_model(|cx| ChannelList::new(user_store.clone(), rpc.clone(), cx)),
+        presence: cx.add_model(|cx| Presence::new(user_store.clone(), rpc.clone(), cx)),
         rpc,
         user_store,
         fs: Arc::new(RealFs),