Wait for the suspense boundary above the router to resolve before sending the first streaming chunk (#3891)

* Change the suspense streaming context after suspense is resolved in the router

* Wait for the suspense context before streaming the first chunk in ssr

* forward more response parts

* warn

* extract the hydration format into a crate

* Fix hydration when no data is sent

* forward web and server features

* Fix suspense that starts on the client

* fix use_server_future on the client

* Add documentation for fullstack hooks and protocol

* downgrade rust edition

* fix clippy

* fix tests

* fix clippy

* Fix pure web compile

* undo changes to the fullstack router example

* fix formatting

packages/core/src/global_context.rs

@@ -1,3 +1,4 @@
+use crate::prelude::SuspenseContext;
 use crate::runtime::RuntimeError;
 use crate::{innerlude::SuspendedFuture, runtime::Runtime, CapturedError, Element, ScopeId, Task};
 use std::future::Future;
@@ -40,6 +41,13 @@ pub fn throw_error(error: impl Into<CapturedError> + 'static) {
         .throw_error(error)
 }
 
+/// Get the suspense context the current scope is in
+pub fn suspense_context() -> Option<SuspenseContext> {
+    current_scope_id()
+        .unwrap_or_else(|e| panic!("{}", e))
+        .suspense_context()
+}
+
 /// Consume context from the current scope
 pub fn try_consume_context<T: 'static + Clone>() -> Option<T> {
     Runtime::with_current_scope(|cx| cx.consume_context::<T>())