Co-authored-by: Shi Hao Hong <shihaohong94@gmail.com>

Support for keyboard navigation of Autocomplete options.

Adds tests to the following behaviors, which have existed without tests:

- When tapping during live testing, a message is printed with widgets that contain the tap location.
- When tapping during live testing, a mark is displayed on screen on the tap location.

This reverts commit c75edc26.

c1c46531c [in_app_purchase] fix "autoConsume" param in "buyConsumable" (flutter/plugins#3957) (#83760)

93d679181 [video_player_web] fix: set autoplay to false during initialization (flutter/plugins#3985) (#83756)

004485cd9 [multiple_web] Adapt web PlatformView widgets to work slotted. (flutter/plugins#3964) (#83747)

This reverts commit b49c3351.