decorated_subscription is expected to return nil
when there is no subscription. It was previously returning an empty
SubscriptionDecorator object and caused breakage.

This change corrects the behavior, in tune with what the
Gitlab::ExpiringSubscriptionMessage expects.

This is part of: https://gitlab.com/gitlab-org/gitlab/-/issues/214212

This reverts commit 14ebe68c.

Revert !28238 and !28723

See merge request gitlab-org/gitlab!29411

This reverts commit 1206dac4, reversing
changes made to b93dbdf7.

Quarantine flaky ndjson reader spec

See merge request gitlab-org/gitlab!29413

Consolidate information on reference architectures into one section

See merge request gitlab-org/gitlab!29354

Removed <hr/> markup in favor of utility classes

See merge request gitlab-org/gitlab!29285

Update SavedChangesMessage styling

See merge request gitlab-org/gitlab!29338

Update link to Status Page docs

See merge request gitlab-org/gitlab!27500

Replace some similar scss vars with palette colors

See merge request gitlab-org/gitlab!28722

Remove API for updating namespaces.plan_id

See merge request gitlab-org/gitlab!28890

Add policies for group wikis

See merge request gitlab-org/gitlab!29176

Automatic created Ngnix alert after Prometheus install (2/2)

Closes #118788

See merge request gitlab-org/gitlab!29291

Do not include tcp:// in listen_addr

See merge request gitlab-org/gitlab!29367

Remove outdated comment and correct listen_addr syntax in Praefect docs

See merge request gitlab-org/gitlab!29342

Add filters to the instance level security dashboard

See merge request gitlab-org/gitlab!29319

Log explorer: Add filtered search to logs

Closes #211507, #212545, and #207912

See merge request gitlab-org/gitlab!27654

Resolve "Elastic recommendation alert appears when the screen is loaded"

Closes #213325

See merge request gitlab-org/gitlab!29097

Update Jira import state on background job failure

See merge request gitlab-org/gitlab!29316

Add terraform report to merge request widget

See merge request gitlab-org/gitlab!27700

Adds new terraform vue component.
It will display as part of the MR Widgets.

Added tests for new terraform component

- Rename wrong test names

Add Project Security Status Table to Instance Level

See merge request gitlab-org/gitlab!29324

Adds the filtered search and a first token for pods.

Add project name suffix support in Service Desk

See merge request gitlab-org/gitlab!25240

Adds project name suffix support in service desk mail
settings.

Use `license_scanning` in `enabled_reports` keys

See merge request gitlab-org/gitlab!29074

Provide payload to initialize StaticSiteEditor

See merge request gitlab-org/gitlab!29058

Contributes to https://gitlab.com/gitlab-org/gitlab/-/issues/212560

* Add `Gitlab::StaticSiteEditor::Config` entity to generate payload
* Populate `data` attribute with required attributes

Move AlertsInserter out of EE

See merge request gitlab-org/gitlab!29333

Since Alerting and Custom Metrics features have been moved into GitLab
Core, move the alerts inserter stage of metrics dashboard processing
into Core as well.

- Add related tests

Quarantine jenkins feature spec

See merge request gitlab-org/gitlab!29396