Batch Upload

[tkv29]

Description:
This tasks inlcudes the implementation of a batch upload. The user is able to select several patient journeys to upload or to choose from the databse (either one not mixing for the start)

Acceptance Criteria

• user has the ability to select several patient journeys
• pipeline is executed several times sequentially
• it should be displayed while processing how any journeys are left to be processed like "1/8 Patient Journeys are processed"
• the hide/show button for the tables includes all selected patient journeys
• the DFG for the "single trace" contains the merge of all selected patient journeys