ensure event handlers are properly subscribed on init, extract duplicated progress functions, cleanup duplication

examples/rust/src/main.rs

@@ -13,8 +13,7 @@ use harmony_cli::cli_logger;
 
 #[tokio::main]
 async fn main() {
-    env_logger::init();
-    let cli_logger_handle = tokio::spawn(cli_logger::init());
+    let cli_logger_handle = cli_logger::init();
 
     let topology = K8sAnywhereTopology::from_env();
     let mut maestro = Maestro::initialize(Inventory::autoload(), topology)