* feat: Create downloadAndUploadStudy method
* create upload handler to store instances in another server
* refactor and create reusable method to download buffers
* fix: e2e studies amount searching by Modality
* fix destructuring
* fix dataset and log info
* split instances to send multiple storeInstances calls
* minor refactor progress
* fix e2e
* replace error message for upload
Co-authored-by: James Petts <jamesapetts@gmail.com>