Require every field in router variants to be present in the route in the web history (#2159)

* require every field to be present in the URL in the web history

* remove desktop only extra field from the simple routes example

packages/router/examples/simple_routes.rs

@@ -65,17 +65,16 @@ fn UserFrame(user_id: usize) -> Element {
 }
 
 #[component]
-fn Route1(user_id: usize, dynamic: usize, query: String, extra: String) -> Element {
+fn Route1(user_id: usize, dynamic: usize, query: String) -> Element {
     rsx! {
         pre {
-            "Route1{{\n\tuser_id:{user_id},\n\tdynamic:{dynamic},\n\tquery:{query},\n\textra:{extra}\n}}"
+            "Route1{{\n\tuser_id:{user_id},\n\tdynamic:{dynamic},\n\tquery:{query}\n}}"
         }
         Link {
             to: Route::Route1 {
                 user_id,
                 dynamic,
                 query: String::new(),
-                extra: extra.clone() + ".",
             },
             "Route1 with extra+\".\""
         }
@@ -191,7 +190,6 @@ enum Route {
                     user_id: usize,
                     dynamic: usize,
                     query: String,
-                    extra: String,
                 },
                 #[route("/hello_world")]
                 // You can opt out of the layout by using the `!` prefix