simplify CoreAdmin usage

Author: slax57

docs_headless/src/content/docs/create-edit/CreateBase.md

@@ -321,7 +321,7 @@ const PostCreate = () => (
 { action: "create", resource: "posts" }
 ```
 
-Users without access will be redirected to the [Access Denied page](../app-configuration/CoreAdminUI.md#accessdenied).
+Users without access will be redirected to the [Access Denied page](../app-configuration/CoreAdmin.md#accessdenied).
 
 **Note**: Access control is disabled when you use the [`disableAuthentication`](#disableauthentication) prop.
 

docs_headless/src/content/docs/create-edit/EditBase.md

@@ -488,7 +488,7 @@ const PostEdit = () => (
 { action: "edit", resource: "posts" }
 ```
 
-Users without access will be redirected to the [Access Denied page](../app-configuration/CoreAdminUI.md#accessdenied).
+Users without access will be redirected to the [Access Denied page](../app-configuration/CoreAdmin.md#accessdenied).
 
 **Note**: Access control is disabled when you use the [`disableAuthentication`](#disableauthentication) prop.
 

docs_headless/src/content/docs/recipes/Caching.md

@@ -88,7 +88,7 @@ React-admin uses react-query for data fetching. React-query comes with its own c
 
 ```jsx
 import { QueryClient } from '@tanstack/react-query';
-import { CoreAdminContext, CoreAdminUI } from 'ra-core';
+import { CoreAdmin, Resource } from 'ra-core';
 
 const App = () => {
     const queryClient = new QueryClient({
@@ -99,11 +99,9 @@ const App = () => {
         },
     });
     return (
-        <CoreAdminContext dataProvider={dataProvider} queryClient={queryClient}>
-            <CoreAdminUI>
-                <Resource name="posts" />
-            </CoreAdminUI>
-        </CoreAdminContext>
+        <CoreAdmin dataProvider={dataProvider} queryClient={queryClient}>
+            <Resource name="posts" />
+        </CoreAdmin>
     );
 }
 ```

docs_headless/src/content/docs/show/ShowBase.md

@@ -40,17 +40,15 @@ Components using `<ShowBase>` can be used as the `show` prop of a `<Resource>` c
 
 ```jsx
 // in src/App.jsx
-import { CoreAdminContext, CoreAdminUI, Resource } from 'ra-core';
+import { CoreAdmin, Resource } from 'ra-core';
 
 import { dataProvider } from './dataProvider';
 import { PostShow } from './posts';
 
 const App = () => (
-    <CoreAdminContext dataProvider={dataProvider}>
-        <CoreAdminUI>
-            <Resource name="posts" show={PostShow} />
-        </CoreAdminUI>
-    </CoreAdminContext>
+    <CoreAdmin dataProvider={dataProvider}>
+        <Resource name="posts" show={PostShow} />
+    </CoreAdmin>
 );
 ```
 
@@ -295,6 +293,6 @@ const PostShow = () => (
 { action: "show", resource: "posts" }
 ```
 
-Users without access will be redirected to the [Access Denied page](../app-configuration/CoreAdminUI.md#accessdenied).
+Users without access will be redirected to the [Access Denied page](../app-configuration/CoreAdmin.md#accessdenied).
 
 **Note**: Access control is disabled when you use [the `disableAuthentication` prop](#disableauthentication).