Adding initial retry layer version (#14954)

* Adding initial retry layer version

* Some simplification around the generated code

* Generating retry layer again

* Improving naming generation in store generated layers

* Address PR review comments

* Updating store layers

* Addressing PR review comments

* fixing lint errors

* Updating store layers

* Adding license header

* Applying the retry layer to the reaction_store

* Regenerating retry layer

app/server.go

@@ -46,6 +46,7 @@ import (
 	"github.com/mattermost/mattermost-server/v5/services/tracing"
 	"github.com/mattermost/mattermost-server/v5/store"
 	"github.com/mattermost/mattermost-server/v5/store/localcachelayer"
+	"github.com/mattermost/mattermost-server/v5/store/retrylayer"
 	"github.com/mattermost/mattermost-server/v5/store/searchlayer"
 	"github.com/mattermost/mattermost-server/v5/store/sqlstore"
 	"github.com/mattermost/mattermost-server/v5/store/timerlayer"
@@ -293,7 +294,7 @@ func NewServer(options ...Option) (*Server, error) {
 			s.sqlStore = sqlstore.NewSqlSupplier(s.Config().SqlSettings, s.Metrics)
 			searchStore := searchlayer.NewSearchLayer(
 				localcachelayer.NewLocalCacheLayer(
-					s.sqlStore,
+					retrylayer.New(s.sqlStore),
 					s.Metrics,
 					s.Cluster,
 					s.CacheProvider,