Migrate GetDeleted method from ChannelStore to return error interface (#14710)

* Migrate GetDeleted method from ChannelStore to return error interface

* Moving i18n translations to the correct place

Co-authored-by: Jesús Espino <jespinog@gmail.com>

store/sqlstore/channel_store.go

@@ -1263,7 +1263,7 @@ func (s SqlChannelStore) GetDeletedByName(teamId string, name string) (*model.Ch
 	return &channel, nil
 }
 
-func (s SqlChannelStore) GetDeleted(teamId string, offset int, limit int, userId string) (*model.ChannelList, *model.AppError) {
+func (s SqlChannelStore) GetDeleted(teamId string, offset int, limit int, userId string) (*model.ChannelList, error) {
 	channels := &model.ChannelList{}
 
 	query := `
@@ -1282,9 +1282,9 @@ func (s SqlChannelStore) GetDeleted(teamId string, offset int, limit int, userId
 
 	if _, err := s.GetReplica().Select(channels, query, map[string]interface{}{"TeamId": teamId, "Limit": limit, "Offset": offset, "UserId": userId}); err != nil {
 		if err == sql.ErrNoRows {
-			return nil, model.NewAppError("SqlChannelStore.GetDeleted", "store.sql_channel.get_deleted.missing.app_error", nil, "teamId="+teamId+", "+err.Error(), http.StatusNotFound)
+			return nil, store.NewErrNotFound("Channel", fmt.Sprintf("TeamId=%s,UserId=%s", teamId, userId))
 		}
-		return nil, model.NewAppError("SqlChannelStore.GetDeleted", "store.sql_channel.get_deleted.existing.app_error", nil, "teamId="+teamId+", "+err.Error(), http.StatusInternalServerError)
+		return nil, errors.Wrapf(err, "failed to get deleted channels with TeamId=%s and UserId=%s", teamId, userId)
 	}
 
 	return channels, nil