* Changed the service fetching page sizes in document-list component
* uncommented a line in process-service.component.ts for the tasklist to show page-sizes in task-list
* [ADF-1958] Process Attachment list - The empty list should be a simple template
* changed the default empty list to a simple template
* changed process-attachment.component.html so that the user can pass custom empty tempate
* [ADF-1958] Process Attachment list - The empty list should be a simple template
* changed the default empty list to a simple template
* changed process-attachment.component.html so that the user can pass custom empty tempate
* removed some unused variables
* [ADF-1958] Process Attachment list - The empty list should be a simple template
* changed the default empty list to a simple template
* changed process-attachment.component.html so that the user can pass custom empty tempate
* fix upload for process attachment list
export ActivitiContentService
ProcessService.createOrUpdateProcessInstanceVariables has incorrect method signature
* fix signature methods
* fix test parameters
* [ADF-1711] The <adf-task-attachment-list component displays drag-and-drop area that is not working
* fix test for remove upload deprecated properties
* remove duplicate identifier
