Return a 404 when paring the route fails (#3860)

* return a 404 when paring the route fails

* add a playwright test for fullstack routing status codes

* Fix new playwright test

* document SSRError

* Make SSRError public and fix clippy

* Move the error display bound to the routable trait

* fix clippy

* return a more generic 404 message

* fix router tests

packages/fullstack/Cargo.toml

@@ -25,6 +25,7 @@ generational-box = { workspace = true }
 # Dioxus + SSR
 dioxus-ssr = { workspace = true, optional = true }
 dioxus-isrg = { workspace = true, optional = true }
+dioxus-router = { workspace = true, optional = true }
 hyper = { workspace = true, optional = true }
 http = { workspace = true, optional = true }
 
@@ -96,6 +97,7 @@ server = [
     "dep:tokio-stream",
     "dep:dioxus-ssr",
     "dep:dioxus-isrg",
+    "dep:dioxus-router",
     "dep:tower",
     "dep:hyper",
     "dep:http",