SSH reconnect reliability (#19398)

Release Notes:

- SSH Remoting: Fix message reliability across restarts

---------

Co-authored-by: Nathan <nathan@zed.dev>

crates/project/src/project.rs

@@ -1243,6 +1243,10 @@ impl Project {
         self.client.clone()
     }
 
+    pub fn ssh_client(&self) -> Option<Model<SshRemoteClient>> {
+        self.ssh_client.clone()
+    }
+
     pub fn user_store(&self) -> Model<UserStore> {
         self.user_store.clone()
     }