[BUG]Block Fast forward with keyboard

[sebastian-pathrose]

Describe the bug
While utilizing the Flutter Web player on the Windows Chrome browser, users can employ the right and left keyboard arrows to navigate forward and backward in the video, even when the controls are deactivated.

To Reproduce
Launch the Flutter web app in the Chrome browser on Windows, with disabled controls, by executing "flutter run -d chrome." While the player is active, navigate using the keyboard's directional keys.

Expected behavior
If the controls are disabled through code, keyboard navigation should be restricted as well.

Screenshots
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Technical Details:

• Device: Windows chrome
• OS: [e.g. iOS8.1]
• Version [e.g. 22]

Additional context
Add any other context about the problem here.