docs: update local examples and docs to support new syntaxes

examples/core_reference/controlled_inputs.rs

@@ -1,7 +1,7 @@
 use dioxus::prelude::*;
 fn main() {}
 
-pub static Example: FC<()> = |cx, props| {
+pub static Example: Component<()> = |cx| {
     cx.render(rsx! {
         div {
 
@@ -10,8 +10,8 @@ pub static Example: FC<()> = |cx, props| {
 };
 
 // A controlled component:
-static ControlledSelect: FC<()> = |cx, props| {
-    let value = use_state(cx, || String::from("Grapefruit"));
+static ControlledSelect: Component<()> = |cx| {
+    let value = use_state(&cx, || String::from("Grapefruit"));
     cx.render(rsx! {
         select { value: "{value}", onchange: move |evt| value.set(evt.value()),
             option { value: "Grapefruit", "Grapefruit"}
@@ -23,8 +23,8 @@ static ControlledSelect: FC<()> = |cx, props| {
 };
 
 // TODO - how do uncontrolled things work?
-static UncontrolledSelect: FC<()> = |cx, props| {
-    let value = use_state(cx, || String::new());
+static UncontrolledSelect: Component<()> = |cx| {
+    let value = use_state(&cx, || String::new());
 
     cx.render(rsx! {
         select {