[Flight] Fix reference param type in registerServerReference

The `reference` that is passed into `registerServerReference` can be a
plain function. It does not need to have the three additonal properties
of a `ServerRefeference`. In fact, adding these properties (plus `bind`)
is precisely what `registerServerReference` does.

Author: unstubbable

packages/react-server-dom-esm/src/ReactFlightESMReferences.js

@@ -63,8 +63,8 @@ function bind(this: ServerReference<any>): any {
   return newFn;
 }
 
-export function registerServerReference<T>(
-  reference: ServerReference<T>,
+export function registerServerReference<T: Function>(
+  reference: T,
   id: string,
   exportName: string,
 ): ServerReference<T> {

packages/react-server-dom-turbopack/src/ReactFlightTurbopackReferences.js

@@ -76,8 +76,8 @@ function bind(this: ServerReference<any>): any {
   return newFn;
 }
 
-export function registerServerReference<T>(
-  reference: ServerReference<T>,
+export function registerServerReference<T: Function>(
+  reference: T,
   id: string,
   exportName: null | string,
 ): ServerReference<T> {

packages/react-server-dom-webpack/src/ReactFlightWebpackReferences.js

@@ -76,8 +76,8 @@ function bind(this: ServerReference<any>): any {
   return newFn;
 }
 
-export function registerServerReference<T>(
-  reference: ServerReference<T>,
+export function registerServerReference<T: Function>(
+  reference: T,
   id: string,
   exportName: null | string,
 ): ServerReference<T> {