message: [hotfix] only apply SQLAlchemy limit where needed
  Observed issue in dev environment where SQL queries were emitted with
  `LIMIT 0`. This fix addresses it.
diff: @@ -515,6 +515,7 @@ class SqlaTable(Model, BaseDatasource):
  direction = asc if ascending else desc
  qry = qry.order_by(direction(col))
  + if row_limit:
  qry = qry.limit(row_limit)
  if is_timeseries and \
  