input cannot focus when switching webview

I created a simple demo, modified with webview official instance, please help to look at this problem： https://github.com/roguexiaohuihui/input-focus

the demo content：

1、Run the Cat Coding: Start cat coding session to create the webview.

the first time you create a webview, the focus is normal

2、Run again Cat Coding: Start cat coding session to create the webview.

the focus is normal

3、Switching to the webview in step 1, this focus is not working

I listened for the toggle event and sent a message to the web to make it focus, but the focus didn't work

    this._panel.onDidChangeViewState(
        e => {
            if (this._panel.visible) {
                this._panel.webview.postMessage({ command: 'showFocus' });
                this._update();
            }
        },
        null,
        this._disposables
    );

media/main.js:

var input = document.getElementById('input_1')
input.focus()
// Handle messages sent from the extension to the webview
window.addEventListener('message', event => {
    const message = event.data // The json data that the extension sent
    switch (message.command) {
        case 'showFocus':
            console.log('showFocus')
            console.log('input:', input)
            input.focus()
            break
    }
})

vscode community problem address:

https://github.com/microsoft/vscode/issues/84216

the problem： when switching webview, the plug-in transmits a signal to webview through message and actively asks the input of webview to focus again. Instead of the input being focused after the mouse click on the screen