Fix basic example

Author: bendera

src/components/examples/tree/BasicExample.astro

@@ -1,7 +1,7 @@
-<vscode-tree id="basic-example"></vscode-tree>
+<vscode-tree id="tree-basic-example"></vscode-tree>
 <script>
   document.addEventListener("DOMContentLoaded", () => {
-    const tree = document.querySelector("#basic-example");
+    const tree = document.querySelector("#tree-basic-example");
     const icons = {
       branch: "folder",
       leaf: "file",

src/content/components/tree.mdx

@@ -17,12 +17,12 @@ import DecorationsExample from "@components/examples/tree/DecorationsExample.ast
   <BasicExample />
   <Fragment slot="html">
     ```html
-    <vscode-tree id="basic-example"></vscode-tree>
+    <vscode-tree id="tree-basic-example"></vscode-tree>
     ```
   </Fragment>
   <Fragment slot="js">
     ```javascript
-    const tree = document.querySelector('#basic-example');
+    const tree = document.querySelector('#tree-basic-example');
     const icons = {
       branch: 'folder',
       leaf: 'file',