[MM-8497] Ability to set Do Not Disturb for a specified period of time (#17680)

* Revert "Revert "[MM-8497] Ability to set Do Not Disturb for a specified period of time (#16067)" (#17657)"

This reverts commit ff383990f8.

* add debug log for recurring function

* add feature flag for dnd timed status

* refactoring changes

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

store/retrylayer/retrylayer.go

@@ -8296,6 +8296,26 @@ func (s *RetryLayerStatusStore) SaveOrUpdate(status *model.Status) error {
 
 }
 
+func (s *RetryLayerStatusStore) UpdateExpiredDNDStatuses() ([]*model.Status, error) {
+
+	tries := 0
+	for {
+		result, err := s.StatusStore.UpdateExpiredDNDStatuses()
+		if err == nil {
+			return result, nil
+		}
+		if !isRepeatableError(err) {
+			return result, err
+		}
+		tries++
+		if tries >= 3 {
+			err = errors.Wrap(err, "giving up after 3 consecutive repeatable transaction failures")
+			return result, err
+		}
+	}
+
+}
+
 func (s *RetryLayerStatusStore) UpdateLastActivityAt(userID string, lastActivityAt int64) error {
 
 	tries := 0