fix(sab): put location in proper address field

[JohannesGGE]

• Resolves: https://github.com/nextcloud/contacts/issues/3404

Summary

before	after

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• [ ] Tests (unit, integration, api and/or acceptance) are included
• [ ] Screenshots before/after for front-end changes
• [ ] Documentation (manuals or wiki) has been updated or is not required
• [ ] Backports requested where applicable (ex: critical bugfixes)

[ChristophWurst]

it wasn't assumed the profile Location field was a city before, so this seems a little problematic for people who entered a full street address in that field.

Yeah. I think no matter how we name or hint the profile property, it's never going to be perfect.

Ref https://github.com/nextcloud/contacts/issues/3404#issuecomment-1563406849

[tcitworld]

Thx for context!

[ChristophWurst]

/backport to stable27

[JohannesGGE]

Replaced null with '' to make pipeline (phpunit) happy

[backportbot-nextcloud[bot]]

The backport to stable27 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable27
git pull origin stable27

# Create the new backport branch
git checkout -b fix/foo-stable27

# 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-stable27

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