DOCUMENTS and PATIENTS: Display a confirmation message when the file has been successfully uploaded.

Affected Users:
All users responsible for attaching documents.

Task Affected:
Receiving visual confirmation that a document was successfully attached.

Impact:
In the absence of a confirmation, users may re-upload documents unnecessarily, leading to duplicated efforts and potential confusion.

Current State:
There is no indication or feedback confirming that a document has been successfully attached.

Competition Consideration:
N/A