Update 'zh-cn' translation (#2583)

* Update world-info.js

- make the rename button is also available in case of WIbook corruption.
- make the WI engine doesn't crash when certain entrys with `content === null`.

* Update zh-cn.json

* Part revert "Update world-info.js"

This part reverts commit 0693c9c400.

public/scripts/world-info.js

@@ -3584,7 +3584,7 @@ export async function getSortedEntries() {
 
         // Parse decorators
         entries = entries.map((entry) => {
-            const [decorators, content] = parseDecorators(entry.content);
+            const [decorators, content] = parseDecorators(entry.content || '');
             return { ...entry, decorators, content };
         });