create registry keys needed for edit locally in local machine category

[mgallien]

creating the registry keys via installer for the current user is not enough to have the feature enabled for all user accounts on a given machine

[mgallien]

/backport to stable-3.12

[mgallien]

/backport to stable-3.13

[nextcloud-desktop-bot]

AppImage file: nextcloud-PR-6663-06c2fecbe12fbb819140590e25422f18d70266aa-x86_64.AppImage

To test this change/fix you can simply download above AppImage file and test it.

Please make sure to quit your existing Nextcloud app and backup your data.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[backportbot]

The backport to stable-3.12 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable-3.12
git pull origin stable-3.12

# Create the new backport branch
git checkout -b backport/6663/stable-3.12

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick 06c2fecb

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/6663/stable-3.12

Error: Failed to clone repository: Failed to checkout branches: error: Your local changes to the following files would be overwritten by checkout:
src/gui/macOS/ClientCommunicationProtocol.h
Please commit your changes or stash them before you switch branches.
Aborting

---

Learn more about backports at https://docs.nextcloud.com/server/stable/go.php?to=developer-backports.

[mgallien]

git push origin backport/6663/stable-3.12

#6672