fix(initial-state): correct defaultDaemonConfig initial state

[andrey18106]

There is was missing check if no deploy daemons configured, null value produced warning logs.

Resolves: #472

[andrey18106]

/backport to stable30

[oleksandr-nc]

LGTM, I hope the frontend will handle the missing defaultDaemonConfig correctly

Don't forget to increase the version in a separate PR, for the stable30 branch, so that it is the same minor as the server

[backportbot]

The backport to stable30 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable30
git pull origin stable30

# Create the new backport branch
git checkout -b backport/473/stable30

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick bd447b8d

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/473/stable30

Error: Failed to cherry pick commits: error: no cherry-pick or revert in progress
fatal: cherry-pick failed

---

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