fix: CJK user name not allowed in request header

And nanoid in header will be low cased, so do it on my side

This fix requires https://github.com/Jermolene/TiddlyWiki5/pull/7471 to be merged to work

src/services/auth/index.ts

@@ -110,7 +110,7 @@ export class Authentication implements IAuthenticationService {
   }
 
   public generateOneTimeAdminAuthTokenForWorkspace(workspaceID: string): string {
-    const newToken = nanoid();
+    const newToken = nanoid().toLowerCase();
     this.oneTimeAdminAuthToken.set(workspaceID, newToken);
     return newToken;
   }