## Description
Fixed issue where setting a recipient role as CC will prevent any
further changes as it is considered as "sent" and "signed".
## Other changes
- Prevent editing document after completed
- Removed CC and Viewers from the field recipient list since they will
never be filled
- Minor UI issues
## Checklist
- [X] I have tested these changes locally and they work as expected.
- [X] I have added/updated tests that prove the effectiveness of these
changes.
- [X] I have followed the project's coding style guidelines.
Implementation of a universal upload allowing for multiple storage backends
starting with `database` and `s3`.
Allows clients to put and retrieve files from either client or server using
a blend of client and server actions.
- Fixed z-index when dragging pre-existing fields
- Refactored document flow
- Added button spinner
- Added animation for document flow slider
- Updated drag and drop fields
- Updated document flow so it adjusts to the height of the PDF
- Updated claim plan dialog
