force option in <VueLive> doesn't work on Chrome + VoiceOver

[Jinjiang]

Describe the bug
force option in doesn't work on Chrome + VoiceOver

To Reproduce
Open https://codesandbox.io/s/w7jx205nll in Chrome and open VoiceOver

1. Input 'hello' in the textbox
2. Click 'Announce Immediately' button, will hear 'hello' from VoiceOver
3. Set the 'force' checkbox checked
4. Click 'Announce Immediately' button again, nothing announced

Expected behavior
Should hear 'hello' from VoiceOver again.

Screenshots
(no)

Desktop (please complete the following information):

• OS: macOS
• Browser: Chrome + VoiceOver
• Version: 70