restore hydration feature for some of its feature-gating benefits for Resource deserialization

leptos/Cargo.toml

@@ -53,7 +53,7 @@ send_wrapper = "0.6.0"
 
 [features]
 default = ["serde"]
-hydration = ["hydration_context/browser"]
+hydration = ["leptos_server/hydration", "hydration_context/browser"]
 csr = ["leptos_macro/csr", "leptos_reactive/csr", "reactive_graph/effects"]
 hydrate = [
   "leptos_macro/hydrate",

leptos_server/Cargo.toml

@@ -40,6 +40,7 @@ leptos = { path = "../leptos" }
 
 [features]
 ssr = []
+hydration = []
 default-tls = ["server_fn/default-tls"]
 rustls = ["server_fn/rustls"]
 rkyv = ["dep:rkyv", "dep:base64"]