Chore: Start annotations app (#113018)

* annotation legacy store with api server, read only

* Add a feature flag for annotations app

* implement list filters

* annotations are not addressable by ID for read operations

* fix registry apps test

* add ownership for an app

* disable linter

* typo, of course

* fix go workspace

* update workspace

* copy annotation app in dockerfile

* update workspace

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Co-authored-by: Tania B. <10127682+undef1nd@users.noreply.github.com>

pkg/services/annotations/annotationsimpl/xorm_store.go

@@ -330,7 +330,9 @@ func (r *xormRepositoryImpl) Get(ctx context.Context, query annotations.ItemQuer
 			params = append(params, query.AnnotationID)
 		}
 
-		if query.AlertID != 0 {
+		if query.AlertID < 0 {
+			sql.WriteString(` AND a.alert_id = 0`)
+		} else if query.AlertID > 0 {
 			sql.WriteString(` AND a.alert_id = ?`)
 			params = append(params, query.AlertID)
 		} else if query.AlertUID != "" {