Show snackbar when entering fullscreen mode

[Mugurell]

Pull Request checklist

• Quality: This PR builds and passes detekt/ktlint checks (A pre-push hook is recommended)
• Tests: This PR includes thorough tests or an explanation of why it does not
• Changelog: This PR includes a changelog entry or does not need one
• Accessibility: The code in this PR follows accessibility best practices or does not include any user facing features

After merge

• Milestone: Make sure issues closed by this pull request are added to the milestone of the version currently in development.
• Breaking Changes: If this is a breaking change, please push a draft PR on Reference Browser to address the breaking issues.

GitHub Automation

Used by GitHub Actions.

[github-actions]

🚧 Commit message is using the wrong format: Show snackbar when entering fullscreen mode

The comment message should look like:

    Bug xxxx - Short description of your change
    Optionally, a longer description of the change.

[github-actions]

🚧 Commit message is using the wrong format: Show snackbar when entering fullscreen mode

The comment message should look like:

    Bug xxxx - Short description of your change
    Optionally, a longer description of the change.

[github-actions]

🚧 Commit message is using the wrong format: Show snackbar when entering fullscreen mode

The comment message should look like:

    Bug xxxx - Short description of your change
    Optionally, a longer description of the change.

[DreVla]

@Mergifyio backport releases_v110

[mergify]

backport releases_v110

✅ Backports have been created

• #692 Show snackbar when entering fullscreen mode (backport #683) has been created for branch releases_v110