bug(Clipboard): Copy to clipboard doesn't work in elem.requestFullscreen()

[pstyrna]

Is this a regression?

• Yes, this behavior used to work in the previous version

The previous version in which this bug was not present was

No response

Description

When using document.element.requestFullscreen(), coping to clipboard through angular/cdk/clipboard doesn't work. It works fine using navigator.clipboard.writeText().

Reproduction

StackBlitz link: https://stackblitz.com/edit/zffwu2?file=src%2Fexample%2Fcdk-clipboard-overview-example.ts
Steps to reproduce:

1. Enter fullscreen by clicking "Open fullscreen" button
2. Click "Copy to clipboard button"

Expected Behavior

Text from text area to be copied to clipboard.

Actual Behavior

Nothing happens.

Environment

• Angular: 16.1.1
• CDK/Material: 16.1.4
• Browser(s): Chrome
• Operating System (e.g. Windows, macOS, Ubuntu): Ubuntu

[zarend]

Assigning to @crisbeto for cdk/clipboard. I can reproduce with the provided stackblitz.

• macOS 13.4.1 (c) (22F770820d)
• Chrome Version 114.0.5735.198 (Official Build) (arm64)

[angular-automatic-lock-bot]

This issue has been automatically locked due to inactivity.
Please file a new issue if you are encountering a similar or related problem.

Read more about our automatic conversation locking policy.

_{This action has been performed automatically by a bot.}