Change Details

- This deals first and foremost with the next_position_offset update done by the scheduler journal client. - Introduce storage for the recurrent visit scheduler queue position Related to T2345

- This deals with the next_position_offset update done by the scheduler journal client. - Introduce storage endpoint for the recurrent visit scheduler queue position read/write. TODO: - Actually update the journal client so it computes the queue position per visit type Related to T2345

- This deals first and foremost with the next_position_offset update done by the scheduler journal client. - Introduce storage endpoint for the recurrent visit scheduler queue position read/write. TODO: - Actually update the journal client so it computes the queue position per visit type Related to T2345