feat: hide workspace if no readme.md

[luka-nextcloud]

📝 Summary

• Resolves: Hide rich workspace header when there is no Readme.md #4541

🖼️ Screenshots

🏚️ Before	🏡 After
B	A

🚧 TODO

• ...

🏁 Checklist

• Code is properly formatted (npm run lint / npm run stylelint / composer run cs:check)
• Sign-off message is added to all commits
• Tests (unit, integration and/or end-to-end) passing and the changes are covered with tests
• Documentation (README or documentation) has been updated or is not required

[cypress]

3 failed and 2 flaky tests on run #12040 ↗︎

3

141

18

0

2

Details:

feat: hide workspace if no readme.md
Project: Text	Commit: 6ed2d08e39
Status: Failed	Duration: 05:15 💡
Started: Sep 6, 2023 6:53 AM	Ended: Sep 6, 2023 6:58 AM

  cypress/e2e/attachments.spec.js • 3 failed tests

View Output Video

Test		Artifacts
Test all attachment insertion methods > test if attachment folder is moved with the markdown file		Output Screenshots
Test all attachment insertion methods > test if attachment folder is copied when copying a markdown file		Output Screenshots
Test all attachment insertion methods > [share] check everything behaves correctly on the share target user side		Output Screenshots

  nodes/CodeBlock.spec.js • 1 flaky test

View Output Video

Test		Artifacts
Front matter support > Add a valid mermaid block		Output Screenshots

  files.spec.js • 1 flaky test

View Output Video

Test		Artifacts
Text and server mimetypes > handle markdown with richtext editor		Output Screenshots

_{This comment has been generated by cypress-bot as a result of this project's GitHub integration settings.}

[mejo-]

/backport to stable27

[mejo-]

/backport to stable26

[backportbot-nextcloud]

The backport to stable26 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable26
git pull origin stable26

# Create the new backport branch
git checkout -b fix/foo-stable26

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts. Resolve them.
git cherry-pick abc123

# Push the cherry pick commit to the remote repository and open a pull request
git push origin fix/foo-stable26

More info at https://docs.nextcloud.com/server/latest/developer_manual/getting_started/development_process.html#manual-backport