fix fullstack playwright test features

packages/fullstack/examples/axum-auth/src/main.rs

@@ -2,7 +2,7 @@
 //!
 //! ```sh
 //! dx build --features web
-//! cargo run --features ssr
+//! cargo run --features server
 //! ```
 
 #![allow(non_snake_case, unused)]

packages/fullstack/examples/axum-desktop/src/server.rs

@@ -1,6 +1,6 @@
 // Run with:
 // ```bash
-// cargo run --bin server --features ssr
+// cargo run --bin server --features server
 // ```
 
 use axum_desktop::*;

packages/fullstack/examples/static-hydrated/src/main.rs

@@ -2,7 +2,7 @@
 //!
 //! ```sh
 //! dx build --features web --release
-//! cargo run --features ssr
+//! cargo run --features server
 //! ```
 
 #![allow(unused)]