Disable bulb controls when no bulbs selected

frontend/Cargo.toml

@@ -10,7 +10,7 @@ wasm-bindgen = "=0.2.87" # must match Trunk.toml
 serde = { version = "1.0.0", features = ['derive'] }
 ron = "0.7.1"
 chrono = { version = "0.4.20", features = ["serde"] }
-gloo-net = "0.4.0"
+gloo-net = { version = "0.4.0", default-features = false, features = ["websocket"] }
 gloo-console = "0.3.0"
 
 [dependencies.css_typegen]