SNOWDROP-108: Fixed pagination in Sportsclub Reservations Webflow module

SNOWDROP-108 fix proposal for Spring 4.0 variant. The similar fix should be applied to other Sportsclub variants too. This fix is copied from https://github.com/snowdrop/snowdrop-examples/commit/c22d87795ba6b8faf2ce9c4484907778c083aa23 fix for Sportsclub Reservations Web module.