Bruno Leroux 8ee77cb321 [Windows] Return keyboard pressed state (flutter/engine#43998) ...

## Description

This PR updates the Windows engine in order to answer to keyboard pressed state queries from the framework (as implemented in https://github.com/flutter/flutter/pull/122885).

## Related Issue

Windows engine implementation for https://github.com/flutter/flutter/issues/87391.

Similar to:
- Linux: https://github.com/flutter/engine/pull/42346
- Android: https://github.com/flutter/engine/pull/42758
- macOS: https://github.com/flutter/engine/pull/42878

## Tests

Adds 2 tests.

2023-08-09 06:31:05 +00:00

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src/flutter

[Windows] Return keyboard pressed state (flutter/engine#43998)

2023-08-09 06:31:05 +00:00