Move useId note about Server Components to caveats

Author: hernan-yadiel

src/content/reference/react/useId.md

@@ -2,12 +2,6 @@
 title: useId
 ---
 
-<RSC>
-
-`useId` is allowed in non-async [Server Components](/reference/rsc/server-components).
-
-</RSC>
-
 <Intro>
 
 `useId` is a React Hook for generating unique IDs that can be passed to accessibility attributes.
@@ -52,6 +46,8 @@ function PasswordField() {
 
 * `useId` **should not be used to generate keys** in a list. [Keys should be generated from your data.](/learn/rendering-lists#where-to-get-your-key)
 
+* `useId` currently cannot be used in [async Server Components](/reference/rsc/server-components#async-components-with-server-components).
+
 ---
 
 ## Usage {/*usage*/}