docs: fix ChatView link (#2521)

Fixes a broken link in v12 upgrade guide.

Author: myandrienko

docusaurus/docs/React/release-guides/upgrade-to-v12.mdx

@@ -28,7 +28,7 @@ Both [`Thread`](https://github.com/GetStream/stream-chat-js/blob/master/src/thre
 
 ### ChatView & ChatView.ThreadAdapter
 
-`ChatView` is component itself and a set of components which allow for a drop-in implementation of different chat views - the channel view and thread view. This drop-in solution allows your users to easily switch between said views without having to implement such mechanism yourself. Read more about it in our [`ChatView` documentation](../components/utility-components/view-components.mdx).
+`ChatView` is component itself and a set of components which allow for a drop-in implementation of different chat views - the channel view and thread view. This drop-in solution allows your users to easily switch between said views without having to implement such mechanism yourself. Read more about it in our [`ChatView` documentation](../components/utility-components/chat-view.mdx).
 
 ## Introducing WithComponents & Dropping Defaults