[zh-CN]: add & sync translation for Keyboard API & VirtualKeyboard API & Pointer Lock API

[skyclouds2001]

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1. VirtualKeyboard API
2. HTMLElement.virtualKeyboardPolicy
3. Navigator.virtualKeyboard
4. VirtualKeyboard
5. VirtualKeyboard.boundingRect
6. VirtualKeyboard.overlaysContent
7. VirtualKeyboard.hide()
8. VirtualKeyboard.show()
9. VirtualKeyboard: geometrychange
10. [zh-CN]: sync translation for HTML Global attribute virtualkeyboardpolicy #23836
    l10n-zh +1
11. Keyboard API
12. Navigator.keyboard
13. [zh-CN]: add translation for Keyboard #23856
    l10n-zh +1
14. Keyboard.getLayoutMap()
15. Keyboard.lock()
16. Keyboard.unlock()
17. [zh-CN]: add translation for KeyboardLayoutMap #23855
    l10n-zh +1
18. KeyboardLayoutMap.size
19. KeyboardLayoutMap.entries()
20. KeyboardLayoutMap.forEach()
21. KeyboardLayoutMap.get()
22. KeyboardLayoutMap.has()
23. KeyboardLayoutMap.keys()
24. KeyboardLayoutMap.values()
25. [zh-CN]: sync translation for Pointer Lock API #23827
    l10n-zh +1
26. [zh-CN]: sync translation for Element.requestPointerLock() and Document.exitPointerLock() #23818
    l10n-zh +1
27. [zh-CN]: add translation for Document.{pointerlockchange, pointerlockerror} #23790
    l10n-zh +1
28. [zh-CN]: add translation for {Document, ShadowRoot}.pointerLockElement #23797
    l10n-zh +1
29. [zh-CN]: sync translation for MouseEvent.{movementX, movementY} #23799
    l10n-zh +1